You will be presented with triplets of objects, which will be assigned to the keys C, Z, and I.
In each trial, please indicate which object you think is the odd one out by pressing the corresponding key.
In other words, please choose the object that is the least similar to the other two.

C: paperclip, Z: swing, and I: napkin ring. You press <<Z>>.
C: eraser, Z: owl, and I: carrot. You press <<Z>>.
C: wolf, Z: tray, and I: block. You press <<C>>.
C: kiwi, Z: face mask, and I: holster. You press <<C>>.
C: plastic film, Z: mouse, and I: fishhook. You press <<C>>.
C: pasta, Z: ski lift, and I: pretzel. You press <<Z>>.
C: guillotine, Z: gutter, and I: guitar. You press <<I>>.
C: eagle, Z: cupcake, and I: ladle. You press <<C>>.
C: scalpel, Z: microscope, and I: nail clippers. You press <<Z>>.
C: footrest, Z: tinsel, and I: crayfish. You press <<I>>.
C: money, Z: tomato sauce, and I: scarf. You press <<Z>>.
C: bucket, Z: first-aid kit, and I: pesto. You press <<I>>.
C: hot chocolate, Z: trident, and I: valve. You press <<C>>.
C: cannon, Z: snowsuit, and I: door. You press <<Z>>.
C: wineglass, Z: life jacket, and I: headrest. You press <<C>>.
C: calf, Z: cabbage, and I: shortbread. You press <<C>>.
C: sausage, Z: ambulance, and I: grill. You press <<Z>>.
C: wolf, Z: block, and I: tray. You press <<C>>.
C: highlighter, Z: money, and I: bulldozer. You press <<Z>>.
C: nail polish, Z: parachute, and I: bow. You press <<Z>>.
C: exhaust pipe, Z: handkerchief, and I: pulley. You press <<Z>>.
C: centerpiece, Z: cream, and I: finger. You press <<I>>.
C: screw, Z: cleaver, and I: doormat. You press <<I>>.
C: bucket, Z: gumball, and I: tile. You press <<C>>.
C: traffic light, Z: table, and I: lava. You press <<I>>.
C: saw, Z: pool table, and I: goat. You press <<I>>.
C: gravestone, Z: moose, and I: polo shirt. You press <<C>>.
C: sticker, Z: headdress, and I: swizzle stick. You press <<Z>>.
C: dumpling, Z: lightbulb, and I: straw. You press <<Z>>.
C: ready meal, Z: yolk, and I: calculator. You press <<I>>.
C: shuffleboard, Z: roller coaster, and I: tulip. You press <<I>>.
C: ramp, Z: leek, and I: can opener. You press <<Z>>.
C: lens, Z: clay, and I: bathrobe. You press <<I>>.
C: valve, Z: ladle, and I: frame. You press <<I>>.
C: cufflink, Z: propeller, and I: straightjacket. You press <<I>>.
C: crane, Z: duct, and I: footrest. You press <<I>>.
C: brace, Z: envelope, and I: spur. You press <<Z>>.
C: roll, Z: daisy, and I: apple tree. You press <<C>>.
C: bucket, Z: tile, and I: gumball. You press <<C>>.
C: filing cabinet, Z: slipper, and I: kitten. You press <<I>>.
C: wallpaper, Z: mullet, and I: cranberry. You press <<Z>>.
C: lasagna, Z: rope, and I: piano. You press <<C>>.
C: barrette, Z: loveseat, and I: cap. You press <<C>>.
C: ambulance, Z: maggot, and I: camera. You press <<Z>>.
C: goblet, Z: nacho, and I: tool. You press <<Z>>.
C: coffee filter, Z: puppet, and I: branch. You press <<Z>>.
C: bow, Z: ribbon, and I: grater. You press <<I>>.
C: cash machine, Z: headlight, and I: espresso. You press <<I>>.
C: brownie, Z: pot, and I: torpedo. You press <<I>>.
C: roller coaster, Z: jam, and I: fishbowl. You press <<C>>.
C: crank, Z: charger, and I: headlight. You press <<C>>.
C: vent, Z: face mask, and I: towel rack. You press <<Z>>.
C: noisemaker, Z: barbed wire, and I: scaffold. You press <<C>>.
C: blindfold, Z: pencil sharpener, and I: bathmat. You press <<Z>>.
C: cart, Z: straightjacket, and I: humvee. You press <<Z>>.
C: gearshift, Z: smoothie, and I: blouse. You press <<C>>.
C: dandelion, Z: book, and I: dip. You press <<Z>>.
C: cauliflower, Z: jack, and I: keg. You press <<C>>.
C: bikini, Z: iron, and I: underwear. You press <<Z>>.
C: napkin ring, Z: plate, and I: bassoon. You press <<I>>.
C: plum, Z: chick, and I: harness. You press <<I>>.
C: wheelbarrow, Z: centerpiece, and I: saltshaker. You press <<C>>.
C: glue, Z: gravestone, and I: ladybug. You press <<C>>.
C: clock, Z: can opener, and I: sticker. You press <<I>>.
C: fireplace, Z: cruise ship, and I: spaghetti. You press <<I>>.
C: napkin ring, Z: frame, and I: bush. You press <<I>>.
C: vent, Z: rosary, and I: poppy. You press <<I>>.
C: squirt gun, Z: sling, and I: sledgehammer. You press <<I>>.
C: lip balm, Z: ballot box, and I: doorknob. You press <<Z>>.
C: makeup, Z: eagle, and I: machine gun. You press <<I>>.
C: staple gun, Z: rattlesnake, and I: tea. You press <<Z>>.
C: towel rack, Z: chick, and I: shrimp. You press <<C>>.
C: french horn, Z: laptop, and I: net. You press <<I>>.
C: bulldozer, Z: tugboat, and I: hip. You press <<I>>.
C: bottle, Z: banana peel, and I: magnifier. You press <<Z>>.
C: peppermint, Z: neck, and I: chime. You press <<C>>.
C: backscratcher, Z: coyote, and I: petal. You press <<Z>>.
C: centerpiece, Z: wheelbarrow, and I: saltshaker. You press <<Z>>.
C: pedometer, Z: snake, and I: wick. You press <<Z>>.
C: doorbell, Z: cannon, and I: foot. You press <<I>>.
C: noisemaker, Z: fruit, and I: pizza. You press <<C>>.
C: chair, Z: bow, and I: crystal ball. You press <<Z>>.
C: videocassette, Z: pistachio, and I: headlight. You press <<Z>>.
C: dolly, Z: pancake, and I: trailer. You press <<Z>>.
C: brake, Z: stem, and I: bag. You press <<Z>>.
C: blanket, Z: visor, and I: jewel. You press <<I>>.
C: lemonade, Z: crab, and I: gong. You press <<I>>.
C: ottoman, Z: pen, and I: tape. You press <<C>>.
C: exerciser, Z: pump, and I: bowler hat. You press <<I>>.
C: ivy, Z: ship, and I: snack. You press <<Z>>.
C: chime, Z: fireworks, and I: closet. You press <<I>>.
C: gum, Z: binoculars, and I: chopsticks. You press <<C>>.
C: mistletoe, Z: chaps, and I: chisel. You press <<C>>.
C: saucer, Z: drink, and I: glue. You press <<I>>.
C: lab coat, Z: hot tub, and I: meerkat. You press <<I>>.
C: noisemaker, Z: sledgehammer, and I: dresser. You press <<C>>.
C: coal, Z: chihuahua, and I: pinwheel. You press <<Z>>.
C: pistachio, Z: videocassette, and I: headlight. You press <<C>>.
C: workbench, Z: coffee pot, and I: navel. You press <<I>>.
C: bandanna, Z: penlight, and I: window. You press <<I>>.
C: macaroni, Z: altar, and I: memory stick. You press <<C>>.
C: jump rope, Z: mustard, and I: cornbread. You press <<C>>.
C: bowl, Z: crucifix, and I: harness. You press <<C>>.
C: gumball, Z: rattle, and I: lid. You press <<I>>.
C: headband, Z: record, and I: seatbelt. You press <<C>>.
C: sloth, Z: jetski, and I: pliers. You press <<C>>.
C: aircraft carrier, Z: yarn, and I: nightstand. You press <<C>>.
C: stretcher, Z: soda, and I: slug. You press <<C>>.
C: crown, Z: deodorant, and I: chipmunk. You press <<I>>.
C: pizza, Z: razor blade, and I: sail. You press <<C>>.
C: school bus, Z: wedding cake, and I: teacup. You press <<C>>.
C: berry, Z: cotton candy, and I: seatbelt. You press <<I>>.
C: patty, Z: cooker, and I: coconut. You press <<Z>>.
C: sewing machine, Z: mouthpiece, and I: chest. You press <<I>>.
C: spam, Z: skateboard, and I: cucumber. You press <<Z>>.
C: firewood, Z: pillbox, and I: paper plate. You press <<Z>>.
C: remote control, Z: skin, and I: macaroni. You press <<C>>.
C: jump rope, Z: cornbread, and I: mustard. You press <<C>>.
C: dumbbell, Z: blender, and I: bug. You press <<I>>.
C: cat, Z: cart, and I: mosquito. You press <<Z>>.
C: oilcan, Z: catfish, and I: stiletto. You press <<Z>>.
C: lumber, Z: bazooka, and I: bee. You press <<Z>>.
C: towel, Z: shaker, and I: flyswatter. You press <<Z>>.
C: spacesuit, Z: corn, and I: scraper. You press <<Z>>.
C: hamburger, Z: snowball, and I: orangutan. You press <<I>>.
C: yoke, Z: anvil, and I: crab. You press <<I>>.
C: firecracker, Z: toothpaste, and I: pillbox. You press <<Z>>.
C: meat grinder, Z: stiletto, and I: taillight. You press <<C>>.
C: sloth, Z: tiara, and I: stump. You press <<C>>.
C: column, Z: mast, and I: stretcher. You press <<I>>.
C: dresser, Z: chair, and I: candy cane. You press <<I>>.
C: bolt, Z: shaker, and I: scarecrow. You press <<I>>.
C: satellite, Z: stamp, and I: dalmatian. You press <<I>>.
C: videogame, Z: potpie, and I: honeycomb. You press <<C>>.
C: bracelet, Z: stem, and I: violin. You press <<Z>>.
C: flask, Z: gondola, and I: kangaroo. You press <<I>>.
C: sifter, Z: coop, and I: poster. You press <<I>>.
C: pepper, Z: ticktacktoe, and I: plunger. You press <<Z>>.
C: camel, Z: pickax, and I: hand. You press <<Z>>.
C: doghouse, Z: scraper, and I: steamroller. You press <<I>>.
C: almond, Z: jukebox, and I: roller coaster. You press <<C>>.
C: blower, Z: christmas tree, and I: duct tape. You press <<Z>>.
C: petri dish, Z: seaweed, and I: grass. You press <<C>>.
C: cap, Z: arrow, and I: switch. You press <<Z>>.
C: rain gauge, Z: glove, and I: wheelbarrow. You press <<C>>.
C: hummingbird, Z: paddle, and I: bean. You press <<Z>>.
C: trident, Z: road sign, and I: chalk. You press <<I>>.
C: toga, Z: drink, and I: pitcher. You press <<C>>.
C: mast, Z: hedge, and I: missile. You press <<Z>>.
C: snowmobile, Z: roller, and I: wallpaper. You press <<I>>.
C: kebab, Z: marshmallow, and I: bat. You press <<I>>.
C: coffeemaker, Z: tupperware, and I: scaffolding. You press <<I>>.
C: toothbrush, Z: hammer, and I: birdcage. You press <<I>>.
C: casserole, Z: kettle, and I: seaplane. You press <<I>>.
C: rooster, Z: macaroni, and I: barrette. You press <<Z>>.
C: racehorse, Z: macadamia, and I: stump. You press <<Z>>.
C: jetski, Z: coat rack, and I: crumb. You press <<C>>.
C: cookie sheet, Z: aquarium, and I: tablet. You press <<Z>>.
C: metronome, Z: contact lens, and I: swing. You press <<Z>>.
C: petri dish, Z: grass, and I: seaweed. You press <<C>>.
C: lightning bug, Z: skateboard, and I: deer. You press <<Z>>.
C: file, Z: glass, and I: pancake. You press <<I>>.
C: rake, Z: duffel bag, and I: seagull. You press <<I>>.
C: water heater, Z: seatbelt, and I: bumper. You press <<Z>>.
C: paddle, Z: spareribs, and I: vise. You press <<Z>>.
C: duct tape, Z: kangaroo, and I: scone. You press <<I>>.
C: earplug, Z: pitcher, and I: cobra. You press <<I>>.
C: radio, Z: bottle opener, and I: eyedropper. You press <<I>>.
C: scallion, Z: turf, and I: balance beam. You press <<I>>.
C: shell, Z: footbath, and I: rollerskate. You press <<C>>.
C: record, Z: clay, and I: photograph. You press <<I>>.
C: basil, Z: marmalade, and I: dessert. You press <<C>>.
C: crate, Z: doormat, and I: maple syrup. You press <<I>>.
C: kiwi, Z: cork, and I: shawl. You press <<C>>.
C: jam, Z: chili, and I: piggy bank. You press <<I>>.
C: weather vane, Z: knitting needle, and I: washcloth. You press <<I>>.
C: omelet, Z: scallop, and I: doormat. You press <<I>>.
C: stalagmite, Z: bat, and I: mouse. You press <<C>>.
C: gun, Z: doghouse, and I: hammock. You press <<C>>.
C: police car, Z: diamond, and I: pear. You press <<C>>.
C: pulley, Z: sloth, and I: wheelchair. You press <<Z>>.
C: scoreboard, Z: earplug, and I: dolphin. You press <<Z>>.
C: wasp, Z: fishnet stockings, and I: cougar. You press <<Z>>.
C: collar, Z: mussel, and I: volleyball. You press <<Z>>.
C: margarita, Z: icemaker, and I: whisk. You press <<C>>.
C: ticktacktoe, Z: sickle, and I: brooch. You press <<C>>.
C: calculator, Z: clover, and I: prune. You press <<C>>.
C: puffin, Z: dresser, and I: pistachio. You press <<C>>.
C: calculator, Z: torpedo, and I: book. You press <<Z>>.
C: chess piece, Z: hanger, and I: cash machine. You press <<Z>>.
C: waterwheel, Z: latch, and I: ambulance. You press <<I>>.
C: test tube, Z: mouth, and I: tag. You press <<I>>.
C: metronome, Z: quesadilla, and I: hot-water bottle. You press <<Z>>.
C: saffron, Z: pacifier, and I: gavel. You press <<C>>.
C: screen, Z: wheelchair, and I: ice. You press <<I>>.
C: lipstick, Z: girl, and I: wine bottle. You press <<Z>>.
C: blender, Z: hobbyhorse, and I: hedgehog. You press <<I>>.
C: mussel, Z: collar, and I: volleyball. You press <<C>>.
C: payphone, Z: rattle, and I: fuse. You press <<Z>>.
C: lamppost, Z: stockings, and I: mosquito net. You press <<C>>.
C: mashed potato, Z: goose, and I: buckle. You press <<I>>.
C: stew, Z: cardinal, and I: marker. You press <<I>>.
C: handle, Z: vial, and I: mushroom. You press <<I>>.
C: sugar cube, Z: saffron, and I: mulch. You press <<C>>.
C: snow, Z: bull, and I: crown. You press <<Z>>.
C: crossbow, Z: coconut, and I: watermelon. You press <<C>>.
C: cookie cutter, Z: chainsaw, and I: lunchbox. You press <<Z>>.
C: grill, Z: onion, and I: barnacle. You press <<I>>.
C: keyboard, Z: tool, and I: screen. You press <<C>>.
C: ant, Z: french horn, and I: rack. You press <<C>>.
C: meerkat, Z: alligator, and I: tick. You press <<I>>.
C: speaker, Z: mouth, and I: hula hoop. You press <<C>>.
C: cross, Z: quill, and I: pepper mill. You press <<I>>.
C: harness, Z: deodorant, and I: bean. You press <<I>>.
C: coffin, Z: wood, and I: catfish. You press <<I>>.
C: record player, Z: hay, and I: furnace. You press <<C>>.
C: thorn, Z: filter, and I: organ. You press <<C>>.
C: sorbet, Z: memory stick, and I: goat. You press <<Z>>.
C: cocktail, Z: banner, and I: noisemaker. You press <<C>>.
C: cardinal, Z: stew, and I: marker. You press <<I>>.
C: donut, Z: balance beam, and I: outfit. You press <<C>>.
C: pantyhose, Z: hedge, and I: string cheese. You press <<Z>>.
C: gasket, Z: footprint, and I: punch. You press <<Z>>.
C: gourd, Z: blender, and I: mussel. You press <<Z>>.
C: slipper, Z: cash register, and I: needle. You press <<Z>>.
C: ticktacktoe, Z: cooker, and I: scissors. You press <<C>>.
C: marble, Z: basketball, and I: hookah. You press <<I>>.
C: charger, Z: handle, and I: mud. You press <<I>>.
C: kiwi, Z: ice-cream cone, and I: hatbox. You press <<I>>.
C: cheesecake, Z: fireworks, and I: crab. You press <<Z>>.
C: eraser, Z: plunger, and I: spacesuit. You press <<I>>.
C: mole, Z: hammock, and I: crane. You press <<C>>.
C: shortbread, Z: bandanna, and I: hummingbird. You press <<Z>>.
C: almond, Z: combination lock, and I: belt. You press <<C>>.
C: kitten, Z: go-kart, and I: moccasin. You press <<Z>>.
C: parfait, Z: mop, and I: radish. You press <<Z>>.
C: breathalyzer, Z: doorhandle, and I: megaphone. You press <<Z>>.
C: shelf, Z: maggot, and I: razor blade. You press <<Z>>.
C: hash, Z: ham, and I: goldfish. You press <<I>>.
C: donut, Z: balance beam, and I: outfit. You press <<C>>.
C: caterpillar, Z: microphone, and I: stamp. You press <<C>>.
C: popsicle, Z: mouthpiece, and I: crayfish. You press <<I>>.
C: hole, Z: fast food, and I: spinach. You press <<C>>.
C: octopus, Z: candy, and I: sloth. You press <<Z>>.
C: cherry, Z: frog, and I: ladder. You press <<I>>.
C: potpourri, Z: panties, and I: tiger. You press <<Z>>.
C: bear, Z: pheasant, and I: sock. You press <<I>>.
C: velcro, Z: calf, and I: leg. You press <<C>>.
C: jeans, Z: jack, and I: headlamp. You press <<C>>.
C: ladder, Z: golf cart, and I: fire pit. You press <<Z>>.
C: mint, Z: paper towel, and I: frog. You press <<Z>>.
C: mustache, Z: windsock, and I: shell. You press <<C>>.
C: teepee, Z: basketball, and I: pencil. You press <<Z>>.
C: jersey, Z: poster, and I: headlight. You press <<Z>>.
C: coyote, Z: zucchini, and I: grasshopper. You press <<Z>>.
C: organ, Z: pliers, and I: banana. You press <<I>>.
C: camel, Z: checkbook, and I: bongo. You press <<C>>.
C: snowboard, Z: lip balm, and I: sewing machine. You press <<C>>.
C: turbine, Z: money, and I: battery. You press <<Z>>.
C: drumstick, Z: coop, and I: tray. You press <<Z>>.
C: cotton candy, Z: bottle opener, and I: chair. You press <<C>>.
C: megaphone, Z: poker, and I: tulip. You press <<C>>.
C: plaster cast, Z: wheat, and I: turban. You press <<Z>>.
C: home plate, Z: ivy, and I: coffin. You press <<C>>.
C: crowbar, Z: christmas card, and I: banner. You press <<C>>.
C: saxophone, Z: computer screen, and I: mullet. You press <<I>>.
C: kettle, Z: pothole, and I: binoculars. You press <<Z>>.
C: pole, Z: holster, and I: hanger. You press <<Z>>.
C: spareribs, Z: turbine, and I: machine gun. You press <<C>>.
C: elbow, Z: blinder, and I: punching bag. You press <<Z>>.
C: bra, Z: machine gun, and I: mouthpiece. You press <<Z>>.
C: sink, Z: cleat, and I: match. You press <<Z>>.
C: shower, Z: rocket, and I: cigar. You press <<C>>.
C: paper towel, Z: ramp, and I: pizza. You press <<I>>.
C: olive, Z: tape recorder, and I: jug. You press <<C>>.
C: cooker, Z: dragonfly, and I: sheep. You press <<C>>.
C: log, Z: propeller, and I: mouthpiece. You press <<C>>.
C: papaya, Z: touchpad, and I: boat. You press <<Z>>.
C: axe, Z: chalk, and I: punch. You press <<Z>>.
C: charger, Z: pug, and I: sponge. You press <<C>>.