You will be presented with triplets of objects, which will be assigned to the keys O, U, and D.
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.

O: rug, U: rubber band, and D: horseshoe. You press <<U>>.
O: tongue, U: turbine, and D: swan. You press <<O>>.
O: diskette, U: zipper, and D: comic book. You press <<U>>.
O: barcode, U: comic book, and D: seatbelt. You press <<D>>.
O: cashew, U: humvee, and D: suspenders. You press <<U>>.
O: rhubarb, U: hydrant, and D: bat. You press <<O>>.
O: turntable, U: jumpsuit, and D: pie. You press <<D>>.
O: mouse, U: scarf, and D: vise. You press <<D>>.
O: subway, U: shutter, and D: face mask. You press <<O>>.
O: aluminum foil, U: kangaroo, and D: wedge. You press <<U>>.
O: bell, U: sundae, and D: checkers. You press <<O>>.
O: icicle, U: dish, and D: brace. You press <<O>>.
O: skeleton, U: rat, and D: hippopotamus. You press <<O>>.
O: butterfly, U: clothesline, and D: clipper. You press <<U>>.
O: thermos, U: orange, and D: stew. You press <<O>>.
O: plunger, U: racehorse, and D: lamp. You press <<U>>.
O: jersey, U: hammock, and D: duckling. You press <<O>>.
O: pancake, U: pie, and D: cranberry. You press <<D>>.
O: cashew, U: pistachio, and D: robot. You press <<D>>.
O: poster, U: pea, and D: drink. You press <<O>>.
O: chip, U: torso, and D: chihuahua. You press <<D>>.
O: parrot, U: shortbread, and D: turbine. You press <<U>>.
O: inkwell, U: marshmallow, and D: guillotine. You press <<U>>.
O: pump, U: shower cap, and D: eye patch. You press <<D>>.
O: hoe, U: map, and D: sheath. You press <<U>>.
O: bedpan, U: soccer ball, and D: comic book. You press <<O>>.
O: christmas tree, U: peeler, and D: jam. You press <<O>>.
O: xylophone, U: chessboard, and D: icepick. You press <<D>>.
O: warthog, U: keg, and D: grater. You press <<O>>.
O: mosquito net, U: bow, and D: ramp. You press <<D>>.
O: sandbag, U: ski boots, and D: motherboard. You press <<O>>.
O: backpack, U: rat, and D: domino. You press <<U>>.
O: icemaker, U: porthole, and D: corn. You press <<D>>.
O: clothesline, U: chick, and D: balance beam. You press <<U>>.
O: punch, U: soda fountain, and D: snowball. You press <<D>>.
O: hammer, U: skirt, and D: soda fountain. You press <<O>>.
O: chest, U: motherboard, and D: doorknocker. You press <<U>>.
O: undershirt, U: rocking horse, and D: calzone. You press <<U>>.
O: acorn, U: icicle, and D: tank. You press <<D>>.
O: alpaca, U: kimono, and D: parachute. You press <<O>>.
O: rust, U: orchid, and D: kangaroo. You press <<U>>.
O: cardboard, U: brussels sprouts, and D: tattoo. You press <<O>>.
O: candlestick, U: racket, and D: guillotine. You press <<U>>.
O: whoopee cushion, U: easter egg, and D: recliner. You press <<U>>.
O: mint, U: bazooka, and D: jeep. You press <<O>>.
O: goalpost, U: router, and D: bowler hat. You press <<D>>.
O: fireworks, U: hand, and D: glasses. You press <<O>>.
O: clothes, U: crucifix, and D: frog. You press <<D>>.
O: pocket, U: breathalyzer, and D: notebook. You press <<O>>.
O: snowshoe, U: straw, and D: crowbar. You press <<U>>.
O: razor, U: stick, and D: poppy. You press <<O>>.
O: handbrake, U: tarantula, and D: mouth. You press <<U>>.
O: windsock, U: camper, and D: touchpad. You press <<O>>.
O: boy, U: fish, and D: photo booth. You press <<U>>.
O: diving board, U: cellphone, and D: granola. You press <<D>>.
O: pocket watch, U: blindfold, and D: footbath. You press <<O>>.
O: printer, U: flower, and D: scaffolding. You press <<U>>.
O: pineapple, U: compost, and D: perfume. You press <<D>>.
O: rearview mirror, U: duct tape, and D: licorice. You press <<D>>.
O: jar, U: cheetah, and D: girl. You press <<O>>.
O: coffee bean, U: pinecone, and D: dandelion. You press <<O>>.
O: oilcan, U: gun, and D: twig. You press <<D>>.
O: hedge, U: orangutan, and D: wasp. You press <<D>>.
O: bucket, U: pinball, and D: crystal ball. You press <<O>>.
O: whoopee cushion, U: sheet, and D: macaroni. You press <<D>>.
O: saddle, U: chopsticks, and D: telegraph. You press <<U>>.
O: saddle, U: prism, and D: snowsuit. You press <<U>>.
O: cheesecake, U: gavel, and D: meat. You press <<U>>.
O: helicopter, U: buckle, and D: hay. You press <<U>>.
O: snowmobile, U: key, and D: kimono. You press <<U>>.
O: puffin, U: windowsill, and D: celery. You press <<O>>.
O: target, U: wheelchair, and D: sprinkler. You press <<U>>.
O: firewood, U: jackhammer, and D: baton. You press <<D>>.
O: octopus, U: slime, and D: speedboat. You press <<D>>.
O: goat, U: chipmunk, and D: forklift. You press <<D>>.
O: punching bag, U: vegetable, and D: shawl. You press <<O>>.
O: cardigan, U: pitcher, and D: elephant. You press <<O>>.
O: boxer shorts, U: straightjacket, and D: pet food. You press <<D>>.
O: pet food, U: catapult, and D: visor. You press <<O>>.
O: toga, U: thread, and D: football helmet. You press <<D>>.
O: star fruit, U: butterfly, and D: elephant. You press <<D>>.
O: sprouts, U: doorhandle, and D: backdrop. You press <<O>>.
O: clipper, U: celery, and D: pencil sharpener. You press <<U>>.
O: penguin, U: clipper, and D: trampoline. You press <<O>>.
O: bobsled, U: urinal, and D: hobbyhorse. You press <<O>>.
O: parsley, U: bike, and D: tiara. You press <<D>>.
O: tuba, U: pistachio, and D: playpen. You press <<O>>.
O: dagger, U: nutcracker, and D: tadpole. You press <<D>>.
O: grits, U: water filter, and D: bush. You press <<O>>.
O: tag, U: bison, and D: mousepad. You press <<U>>.
O: comb, U: applesauce, and D: toucan. You press <<D>>.
O: birdcage, U: rollerskate, and D: wagon. You press <<U>>.
O: money, U: shower curtain, and D: eggshell. You press <<D>>.
O: uniform, U: costume, and D: chair. You press <<D>>.
O: birdhouse, U: coffee filter, and D: bumper. You press <<O>>.
O: ink, U: feather, and D: french horn. You press <<D>>.
O: potpourri, U: bobsled, and D: harmonica. You press <<U>>.
O: dishrag, U: garter, and D: batter. You press <<U>>.
O: golf club, U: strawberry, and D: flan. You press <<O>>.
O: suitcase, U: cocktail, and D: cordon bleu. You press <<O>>.
O: airplane, U: go-kart, and D: christmas card. You press <<D>>.
O: tray, U: shell, and D: bread. You press <<U>>.
O: brussels sprouts, U: crab, and D: canoe. You press <<O>>.
O: nut, U: dalmatian, and D: swordfish. You press <<O>>.
O: sword, U: pen, and D: headlight. You press <<U>>.
O: tinsel, U: hearse, and D: pendulum. You press <<O>>.
O: roof rack, U: wedding cake, and D: tractor. You press <<U>>.
O: diskette, U: pot, and D: oyster. You press <<O>>.
O: lawnmower, U: ice pack, and D: pinball. You press <<D>>.
O: saffron, U: bonnet, and D: slide. You press <<O>>.
O: burrito, U: doorstop, and D: cornhusk. You press <<U>>.
O: air mattress, U: scoop, and D: stove. You press <<O>>.
O: casserole, U: birdhouse, and D: cannonball. You press <<O>>.
O: chalk, U: chocolate, and D: filter. You press <<U>>.
O: dough, U: squeegee, and D: recorder. You press <<U>>.
O: trolley, U: garbage truck, and D: zipper. You press <<D>>.
O: dagger, U: piano, and D: basil. You press <<D>>.
O: bomb, U: telegraph, and D: pocket watch. You press <<O>>.
O: lettuce, U: roller coaster, and D: twig. You press <<U>>.
O: mullet, U: oar, and D: lumber. You press <<O>>.
O: dishwashing liquid, U: birdhouse, and D: teabag. You press <<U>>.
O: electric chair, U: lampshade, and D: toothpaste. You press <<D>>.
O: hairbrush, U: garbage, and D: boar. You press <<O>>.
O: spout, U: soap, and D: sewage. You press <<D>>.
O: maggot, U: balance beam, and D: candy cane. You press <<D>>.
O: chessboard, U: button, and D: door. You press <<O>>.
O: hockey stick, U: paperclip, and D: abacus. You press <<U>>.
O: candelabra, U: taillight, and D: kayak. You press <<O>>.
O: footprint, U: jackhammer, and D: ravioli. You press <<D>>.
O: bank, U: yak, and D: fungus. You press <<O>>.
O: sweeper, U: drink, and D: vent. You press <<U>>.
O: tarantula, U: petal, and D: car. You press <<U>>.
O: spark plug, U: bunkbed, and D: rosary. You press <<D>>.
O: cigarette, U: sea urchin, and D: bus. You press <<U>>.
O: water fountain, U: flower, and D: buoy. You press <<U>>.
O: stalagmite, U: wooden leg, and D: penguin. You press <<O>>.
O: hard disk, U: weather vane, and D: scraper. You press <<U>>.
O: tee, U: turntable, and D: orchid. You press <<U>>.
O: hammer, U: water cooler, and D: scaffolding. You press <<U>>.
O: quesadilla, U: chopsticks, and D: barrel. You press <<O>>.
O: game, U: manatee, and D: tackle. You press <<U>>.
O: stilt, U: pocketknife, and D: road sign. You press <<U>>.
O: plant, U: machine gun, and D: snowmobile. You press <<O>>.
O: lens, U: loveseat, and D: broom. You press <<O>>.
O: spider, U: basketball, and D: corsage. You press <<U>>.
O: banana, U: baton, and D: briefcase. You press <<O>>.
O: test tube, U: stereo, and D: seahorse. You press <<U>>.
O: tie, U: steak, and D: stirrup. You press <<D>>.
O: flute, U: swimsuit, and D: backscratcher. You press <<U>>.
O: balloon, U: coffee, and D: badge. You press <<U>>.
O: wing, U: corkboard, and D: blowtorch. You press <<O>>.
O: dog, U: pan, and D: kiwi. You press <<O>>.
O: nail clippers, U: bathrobe, and D: fish. You press <<O>>.
O: baseball, U: map, and D: lantern. You press <<D>>.
O: sidecar, U: vacuum, and D: torch. You press <<U>>.
O: wine bottle, U: man, and D: wineglass. You press <<U>>.
O: chisel, U: potato, and D: chinaware. You press <<O>>.
O: nose, U: gum, and D: cardigan. You press <<D>>.
O: helmet, U: moss, and D: crane. You press <<U>>.
O: hydrant, U: shaving cream, and D: leech. You press <<O>>.
O: tablecloth, U: mug, and D: rabbit. You press <<D>>.
O: station wagon, U: flashlight, and D: honey. You press <<D>>.
O: hawk, U: tarp, and D: sheet. You press <<O>>.
O: record player, U: mandolin, and D: button. You press <<D>>.
O: red carpet, U: headrest, and D: weather vane. You press <<O>>.
O: cigarette holder, U: twig, and D: coffee table. You press <<U>>.
O: lion, U: clipper, and D: dolphin. You press <<U>>.
O: slingshot, U: alpaca, and D: flask. You press <<U>>.
O: kale, U: fireplace, and D: coat rack. You press <<O>>.
O: man, U: clarinet, and D: roller. You press <<D>>.
O: sidecar, U: crab, and D: sandbox. You press <<O>>.
O: biscuit, U: tiramisu, and D: mandolin. You press <<D>>.
O: amber, U: fossil, and D: gyroscope. You press <<D>>.
O: match, U: closet, and D: footprint. You press <<U>>.
O: bomb, U: cilantro, and D: panties. You press <<D>>.
O: timer, U: soccer ball, and D: baklava. You press <<D>>.
O: headlamp, U: jet, and D: underwear. You press <<D>>.
O: cart, U: lavender, and D: camera. You press <<O>>.
O: napkin ring, U: hippopotamus, and D: apron. You press <<U>>.
O: bassinet, U: dragonfly, and D: polo shirt. You press <<O>>.
O: lock, U: nail file, and D: sawhorse. You press <<O>>.
O: chimney, U: umbrella, and D: sailboat. You press <<O>>.
O: crossbow, U: underwear, and D: meatball. You press <<U>>.
O: abacus, U: almond, and D: ruby. You press <<U>>.
O: sewing machine, U: tadpole, and D: weed. You press <<O>>.
O: christmas tree, U: thorn, and D: recliner. You press <<U>>.
O: iron, U: pajamas, and D: clay. You press <<D>>.
O: seesaw, U: lifesaver, and D: stiletto. You press <<D>>.
O: coffin, U: crystal, and D: clam. You press <<U>>.
O: chime, U: cable, and D: crayon. You press <<D>>.
O: bell, U: leash, and D: graffiti. You press <<U>>.
O: first-aid kit, U: turtleneck, and D: wrench. You press <<U>>.
O: tooth, U: sloth, and D: mint. You press <<O>>.
O: raccoon, U: marshmallow, and D: sink. You press <<O>>.
O: lollipop, U: handbrake, and D: boa. You press <<O>>.
O: anvil, U: dashboard, and D: submarine. You press <<U>>.
O: pedometer, U: barcode, and D: column. You press <<D>>.
O: pipe, U: mistletoe, and D: truck. You press <<U>>.
O: webcam, U: lightning bug, and D: tripod. You press <<U>>.
O: totem pole, U: jukebox, and D: baton. You press <<D>>.
O: blazer, U: peg, and D: chaps. You press <<U>>.
O: bead, U: stew, and D: palm tree. You press <<U>>.
O: outfit, U: robe, and D: headrest. You press <<D>>.
O: flypaper, U: tank, and D: snowball. You press <<D>>.
O: dip, U: van, and D: folder. You press <<D>>.
O: barbed wire, U: totem pole, and D: test tube. You press <<D>>.
O: navel, U: cashew, and D: mold. You press <<U>>.
O: donut, U: penguin, and D: coyote. You press <<U>>.
O: frisbee, U: air pump, and D: pug. You press <<U>>.
O: syrup, U: spark plug, and D: anvil. You press <<O>>.
O: unicycle, U: sloth, and D: straw. You press <<D>>.
O: badger, U: cabbage, and D: bean. You press <<O>>.
O: racket, U: seaplane, and D: cruise ship. You press <<O>>.
O: windsock, U: cantaloupe, and D: platypus. You press <<D>>.
O: ashtray, U: torpedo, and D: spacesuit. You press <<O>>.
O: telegraph, U: swimming pool, and D: apron. You press <<U>>.
O: patty, U: torso, and D: record. You press <<U>>.
O: card, U: eclair, and D: wreath. You press <<D>>.
O: toucan, U: bun, and D: arm. You press <<O>>.
O: pine tree, U: sandbag, and D: snowman. You press <<O>>.
O: bunkbed, U: vacuum, and D: nightshirt. You press <<U>>.
O: jug, U: stump, and D: crane. You press <<D>>.
O: rabbit, U: wire cutters, and D: beanie. You press <<U>>.
O: blimp, U: crate, and D: jewelry. You press <<D>>.
O: drumstick, U: medal, and D: souffle. You press <<D>>.
O: arugula, U: slot machine, and D: seesaw. You press <<O>>.
O: mast, U: mattress, and D: hockey stick. You press <<U>>.
O: pulpit, U: gearshift, and D: notebook. You press <<U>>.
O: candy bar, U: pecan, and D: electric chair. You press <<D>>.
O: torch, U: blender, and D: springboard. You press <<O>>.
O: taillight, U: panda, and D: binoculars. You press <<U>>.
O: log, U: chihuahua, and D: lemon. You press <<D>>.
O: peach, U: piecrust, and D: cane. You press <<D>>.
O: goalpost, U: trowel, and D: slicer. You press <<O>>.
O: polaroid, U: domino, and D: grille. You press <<U>>.
O: ankle, U: hose, and D: machete. You press <<O>>.
O: mug, U: meatloaf, and D: train set. You press <<D>>.
O: blind, U: mosquito, and D: riser. You press <<U>>.
O: pedometer, U: home plate, and D: stroller. You press <<D>>.
O: boa, U: window, and D: camel. You press <<D>>.
O: tadpole, U: detonator, and D: letter opener. You press <<O>>.
O: violin, U: caramel, and D: record. You press <<U>>.
O: matchbox, U: overalls, and D: prism. You press <<D>>.
O: whoopee cushion, U: clove, and D: pie. You press <<O>>.
O: tile, U: mannequin, and D: frog. You press <<U>>.
O: sled, U: finger, and D: ready meal. You press <<D>>.
O: hot chocolate, U: snowshoe, and D: clarinet. You press <<D>>.
O: mixer, U: egg roll, and D: cardboard. You press <<D>>.
O: hook, U: scaffold, and D: poster. You press <<D>>.
O: manhole, U: watermelon, and D: ferris wheel. You press <<U>>.
O: wood, U: poster, and D: wick. You press <<U>>.
O: backpack, U: water fountain, and D: cello. You press <<D>>.
O: flypaper, U: bedpost, and D: snake. You press <<O>>.
O: clothes, U: shield, and D: food processor. You press <<D>>.
O: nail polish, U: beaver, and D: orange. You press <<D>>.
O: glue, U: gravy, and D: bedpost. You press <<O>>.
O: skeleton, U: sword, and D: goat. You press <<D>>.
O: easel, U: card, and D: wallet. You press <<U>>.
O: cage, U: stereo, and D: chessboard. You press <<O>>.
O: pony, U: pedal, and D: dog. You press <<U>>.