You will be presented with triplets of objects, which will be assigned to the keys R, B, and Z.
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.

R: screw, B: doorbell, and Z: hairspray. You press <<Z>>.
R: roller, B: steering wheel, and Z: windshield wiper. You press <<R>>.
R: cow, B: sewing machine, and Z: polaroid. You press <<R>>.
R: windshield wiper, B: vulture, and Z: hyena. You press <<R>>.
R: grater, B: daisy, and Z: dial. You press <<B>>.
R: keg, B: flipper, and Z: pendulum. You press <<R>>.
R: polygraph, B: calf, and Z: printer. You press <<B>>.
R: handbrake, B: scarf, and Z: scrambled egg. You press <<R>>.
R: life jacket, B: bat, and Z: baton. You press <<R>>.
R: toast, B: metal detector, and Z: bonsai. You press <<Z>>.
R: go-kart, B: mold, and Z: ball. You press <<B>>.
R: landmine, B: telegraph, and Z: eyepiece. You press <<Z>>.
R: confetti, B: blind, and Z: pitcher. You press <<Z>>.
R: soy sauce, B: backgammon, and Z: raisin. You press <<Z>>.
R: jacket, B: ambulance, and Z: dishwashing liquid. You press <<Z>>.
R: casserole, B: piggy bank, and Z: radish. You press <<B>>.
R: teepee, B: gurney, and Z: sonogram. You press <<B>>.
R: petal, B: peach, and Z: pocketknife. You press <<Z>>.
R: chinaware, B: rust, and Z: diskette. You press <<R>>.
R: llama, B: bell, and Z: leash. You press <<Z>>.
R: ski boots, B: stove, and Z: beaver. You press <<B>>.
R: computer, B: candle, and Z: robe. You press <<R>>.
R: go-kart, B: thorn, and Z: shell. You press <<R>>.
R: coffee bean, B: album, and Z: splinter. You press <<B>>.
R: pillow, B: headlight, and Z: scoop. You press <<Z>>.
R: sunglasses, B: railing, and Z: mop. You press <<R>>.
R: locker, B: canoe, and Z: clay. You press <<R>>.
R: sink, B: wrench, and Z: rhinoceros. You press <<Z>>.
R: chaps, B: amber, and Z: boat. You press <<Z>>.
R: floss, B: stake, and Z: pistachio. You press <<Z>>.
R: ring, B: slug, and Z: mast. You press <<R>>.
R: doorknob, B: lectern, and Z: laser pointer. You press <<R>>.
R: toad, B: doorstop, and Z: tricycle. You press <<B>>.
R: ferret, B: skateboard, and Z: mascara. You press <<R>>.
R: grate, B: catfish, and Z: sundial. You press <<B>>.
R: hedge, B: graffiti, and Z: towel. You press <<Z>>.
R: lantern, B: toe, and Z: computer. You press <<B>>.
R: ballot box, B: arm, and Z: dryer. You press <<Z>>.
R: shield, B: yolk, and Z: laser pointer. You press <<B>>.
R: frame, B: mandolin, and Z: dumpster. You press <<B>>.
R: poinsettia, B: leek, and Z: sponge. You press <<R>>.
R: bowl, B: toad, and Z: badge. You press <<B>>.
R: mat, B: hot chocolate, and Z: shovel. You press <<B>>.
R: mousepad, B: man, and Z: outfit. You press <<R>>.
R: grapefruit, B: snail, and Z: grits. You press <<B>>.
R: cigarette butt, B: kaleidoscope, and Z: jar. You press <<R>>.
R: lego, B: axe, and Z: lamb. You press <<R>>.
R: casserole, B: cheesecake, and Z: bulletin board. You press <<Z>>.
R: raccoon, B: file, and Z: napkin ring. You press <<R>>.
R: flamethrower, B: onion, and Z: seed. You press <<R>>.
R: coconut, B: swizzle stick, and Z: bologna. You press <<B>>.
R: shower, B: banana, and Z: sorbet. You press <<R>>.
R: olive, B: cement mixer, and Z: poker. You press <<R>>.
R: scale, B: bread, and Z: shredder. You press <<Z>>.
R: balloon, B: oven, and Z: taxi. You press <<Z>>.
R: mousse, B: headdress, and Z: harness. You press <<R>>.
R: catfish, B: rag, and Z: filter. You press <<R>>.
R: arugula, B: torpedo, and Z: windshield. You press <<B>>.
R: dough, B: pillbox, and Z: album. You press <<Z>>.
R: handprint, B: fruit, and Z: saddle. You press <<B>>.
R: fossil, B: grate, and Z: train. You press <<Z>>.
R: duck, B: spaghetti, and Z: ribbon. You press <<R>>.
R: outfit, B: gong, and Z: alligator. You press <<R>>.
R: steak, B: subway, and Z: marijuana. You press <<B>>.
R: scooter, B: notepad, and Z: trombone. You press <<R>>.
R: bungee, B: baton, and Z: raspberry. You press <<Z>>.
R: stick, B: pretzel, and Z: scanner. You press <<Z>>.
R: monkey, B: spaghetti, and Z: beard. You press <<B>>.
R: pineapple, B: oven, and Z: screwdriver. You press <<R>>.
R: grater, B: gurney, and Z: coffee table. You press <<R>>.
R: rolling pin, B: dirt bike, and Z: fire hydrant. You press <<R>>.
R: mint, B: boa, and Z: rack. You press <<R>>.
R: block, B: sponge, and Z: router. You press <<Z>>.
R: anchor, B: tag, and Z: ferret. You press <<R>>.
R: footbath, B: jalapeno, and Z: straw. You press <<R>>.
R: gearshift, B: harness, and Z: straw. You press <<B>>.
R: metal detector, B: parachute, and Z: sock. You press <<Z>>.
R: giraffe, B: doormat, and Z: torch. You press <<R>>.
R: boomerang, B: canvas, and Z: hairdryer. You press <<B>>.
R: cigar, B: cereal, and Z: jellyfish. You press <<R>>.
R: sprouts, B: amplifier, and Z: pie. You press <<B>>.
R: nacho, B: spout, and Z: shell. You press <<R>>.
R: batter, B: veil, and Z: turf. You press <<R>>.
R: dogfood, B: roulette wheel, and Z: pantyhose. You press <<Z>>.
R: quesadilla, B: mousse, and Z: counter. You press <<Z>>.
R: wreck, B: pot, and Z: rust. You press <<R>>.
R: grille, B: dreidel, and Z: berry. You press <<B>>.
R: playing card, B: jeep, and Z: hedgehog. You press <<Z>>.
R: blanket, B: lumber, and Z: cake. You press <<B>>.
R: visor, B: ambulance, and Z: bubble. You press <<R>>.
R: spoon, B: sandbox, and Z: soccer ball. You press <<R>>.
R: nightstand, B: trophy, and Z: pinwheel. You press <<Z>>.
R: mongoose, B: coil, and Z: smoke alarm. You press <<R>>.
R: dragonfly, B: hobbyhorse, and Z: stapler. You press <<Z>>.
R: bottle, B: cello, and Z: sea urchin. You press <<Z>>.
R: lizard, B: ski pole, and Z: subway. You press <<Z>>.
R: hearing aid, B: tea, and Z: broom. You press <<Z>>.
R: jetski, B: poinsettia, and Z: polar bear. You press <<B>>.
R: fence, B: cannon, and Z: chess piece. You press <<B>>.
R: crystal ball, B: thimble, and Z: turtle. You press <<Z>>.
R: locket, B: sheath, and Z: paint. You press <<Z>>.
R: projector, B: stamp, and Z: vulture. You press <<B>>.
R: flour, B: fast food, and Z: accordion. You press <<Z>>.
R: brooch, B: jewel, and Z: throne. You press <<Z>>.
R: goalpost, B: giraffe, and Z: duct. You press <<Z>>.
R: lamb, B: doorknocker, and Z: iron. You press <<R>>.
R: blind, B: goggles, and Z: leaf. You press <<B>>.
R: salad, B: pizza, and Z: pole. You press <<Z>>.
R: shorts, B: granite, and Z: kebab. You press <<R>>.
R: fast food, B: barbell, and Z: stapler. You press <<R>>.
R: lifesaver, B: spider web, and Z: fruit. You press <<Z>>.
R: mouth, B: pitcher, and Z: rhinoceros. You press <<Z>>.
R: battery, B: cream, and Z: skeleton. You press <<B>>.
R: timer, B: leotard, and Z: earwig. You press <<R>>.
R: bracelet, B: sundial, and Z: pistachio. You press <<R>>.
R: spider web, B: eggbeater, and Z: collar. You press <<R>>.
R: peeler, B: wrapping paper, and Z: ink. You press <<B>>.
R: boa, B: grater, and Z: jug. You press <<R>>.
R: dirt bike, B: lava, and Z: refrigerator. You press <<B>>.
R: reel, B: bamboo, and Z: loom. You press <<B>>.
R: wire cutters, B: cupcake, and Z: staple gun. You press <<B>>.
R: button, B: footprint, and Z: tablecloth. You press <<Z>>.
R: reindeer, B: chest, and Z: ski boots. You press <<B>>.
R: monkey, B: amplifier, and Z: vulture. You press <<B>>.
R: fig, B: coil, and Z: radio. You press <<R>>.
R: mantle, B: guinea pig, and Z: mandolin. You press <<B>>.
R: chalk, B: whip, and Z: xylophone. You press <<B>>.
R: faucet, B: cot, and Z: pinball. You press <<Z>>.
R: margarita, B: centerpiece, and Z: cleat. You press <<Z>>.
R: kilt, B: fishing pole, and Z: coleslaw. You press <<R>>.
R: tent, B: okra, and Z: gold. You press <<B>>.
R: silverware, B: bat, and Z: chihuahua. You press <<R>>.
R: chess piece, B: blouse, and Z: centerpiece. You press <<B>>.
R: pitchfork, B: finger, and Z: doorknob. You press <<B>>.
R: ivy, B: tape measure, and Z: camera lens. You press <<B>>.
R: airboat, B: handlebar, and Z: pillbox. You press <<Z>>.
R: inhaler, B: accordion, and Z: strap. You press <<R>>.
R: retainer, B: gopher, and Z: cart. You press <<R>>.
R: dynamite, B: pantyhose, and Z: jewel. You press <<R>>.
R: remote control, B: pelican, and Z: blanket. You press <<B>>.
R: mask, B: periscope, and Z: pie. You press <<Z>>.
R: shoe, B: hairdryer, and Z: lumber. You press <<Z>>.
R: amber, B: kitten, and Z: parsley. You press <<R>>.
R: tree trunk, B: radish, and Z: bacon. You press <<R>>.
R: bowling ball, B: leopard, and Z: soy sauce. You press <<B>>.
R: can, B: glove, and Z: scarf. You press <<R>>.
R: harmonica, B: measuring cup, and Z: alligator. You press <<Z>>.
R: nest, B: jam, and Z: brussels sprouts. You press <<R>>.
R: flipper, B: aardvark, and Z: lightning bug. You press <<R>>.
R: pineapple, B: chive, and Z: carrot. You press <<R>>.
R: screw, B: kettle, and Z: roller. You press <<B>>.
R: gear, B: oyster, and Z: gasket. You press <<B>>.
R: contact lens, B: football, and Z: dumpster. You press <<Z>>.
R: jet, B: coverall, and Z: ramp. You press <<Z>>.
R: watering can, B: coal, and Z: wineglass. You press <<B>>.
R: diamond, B: awning, and Z: ladder. You press <<Z>>.
R: magnifier, B: beanie, and Z: dishwasher. You press <<B>>.
R: calamari, B: incense, and Z: tongs. You press <<Z>>.
R: button, B: comb, and Z: tupperware. You press <<B>>.
R: lingerie, B: limousine, and Z: gravel. You press <<Z>>.
R: punch, B: shell, and Z: goalpost. You press <<Z>>.
R: harness, B: birdbath, and Z: pillbox. You press <<Z>>.
R: banner, B: gourd, and Z: bolt. You press <<Z>>.
R: battery, B: comb, and Z: cufflink. You press <<B>>.
R: food processor, B: sandcastle, and Z: whisk. You press <<B>>.
R: batter, B: peacock, and Z: candy cane. You press <<B>>.
R: tumbleweed, B: test tube, and Z: rattle. You press <<R>>.
R: motorcycle, B: wand, and Z: tie. You press <<Z>>.
R: pedal, B: calzone, and Z: octopus. You press <<R>>.
R: mouth, B: doorknob, and Z: purse. You press <<B>>.
R: hairdryer, B: rhinoceros, and Z: ham. You press <<Z>>.
R: tank, B: burner, and Z: cannonball. You press <<B>>.
R: meatball, B: mouth, and Z: handcuff. You press <<R>>.
R: undershirt, B: waffle, and Z: quad. You press <<B>>.
R: hood, B: book, and Z: furnace. You press <<Z>>.
R: patch, B: snowplow, and Z: curry. You press <<Z>>.
R: tree trunk, B: nail clippers, and Z: french fries. You press <<B>>.
R: smoothie, B: ferry, and Z: truck. You press <<R>>.
R: sunflower, B: fingerprint, and Z: clock. You press <<Z>>.
R: place mat, B: filing cabinet, and Z: tube top. You press <<Z>>.
R: gopher, B: soap, and Z: phone booth. You press <<B>>.
R: emerald, B: flatiron, and Z: coil. You press <<R>>.
R: earwig, B: amplifier, and Z: breakfast. You press <<Z>>.
R: sequin, B: clay, and Z: dalmatian. You press <<B>>.
R: boulder, B: alpaca, and Z: crumb. You press <<Z>>.
R: whiteboard, B: paper bag, and Z: bag. You press <<Z>>.
R: power line, B: waffle iron, and Z: octopus. You press <<R>>.
R: shorts, B: wallpaper, and Z: printer. You press <<R>>.
R: carousel, B: swab, and Z: soy sauce. You press <<B>>.
R: vial, B: bubble wrap, and Z: brick. You press <<R>>.
R: credit card, B: mulch, and Z: flamingo. You press <<R>>.
R: easter egg, B: pearl, and Z: coil. You press <<Z>>.
R: ferry, B: sofa bed, and Z: scallion. You press <<B>>.
R: nail clippers, B: bandanna, and Z: butter. You press <<B>>.
R: collar, B: hairdryer, and Z: pedal. You press <<Z>>.
R: dashboard, B: paintbrush, and Z: roller coaster. You press <<B>>.
R: goalpost, B: periscope, and Z: pudding. You press <<Z>>.
R: vial, B: knife, and Z: wax paper. You press <<R>>.
R: jump rope, B: blinder, and Z: scalpel. You press <<Z>>.
R: plastic film, B: jellyfish, and Z: eyepiece. You press <<R>>.
R: turf, B: toothpaste, and Z: dumpling. You press <<R>>.
R: doorknocker, B: kayak, and Z: chest. You press <<R>>.
R: ruby, B: elbow, and Z: bean. You press <<R>>.
R: syrup, B: snowball, and Z: stamp. You press <<Z>>.
R: toga, B: soup, and Z: pheasant. You press <<B>>.
R: block, B: ram, and Z: tugboat. You press <<Z>>.
R: flypaper, B: penguin, and Z: baton. You press <<Z>>.
R: sawhorse, B: air mattress, and Z: piggy bank. You press <<B>>.
R: coal, B: hot-water bottle, and Z: piecrust. You press <<R>>.
R: breakfast, B: nest, and Z: birdhouse. You press <<R>>.
R: springboard, B: backgammon, and Z: magnet. You press <<Z>>.
R: puppy, B: switch, and Z: brace. You press <<B>>.
R: test tube, B: cheeseburger, and Z: granite. You press <<R>>.
R: handbrake, B: pulley, and Z: chandelier. You press <<R>>.
R: mousepad, B: tupperware, and Z: dishwashing liquid. You press <<R>>.
R: amplifier, B: payphone, and Z: sarcophagus. You press <<Z>>.
R: necklace, B: tulip, and Z: almond. You press <<Z>>.
R: keyboard, B: crucifix, and Z: swan. You press <<B>>.
R: banana, B: snowman, and Z: grain. You press <<B>>.
R: puppy, B: broom, and Z: test tube. You press <<R>>.