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

D: gurney, U: tent, and Z: brass knuckles. You press <<Z>>.
D: raft, U: painting, and Z: ferris wheel. You press <<U>>.
D: glasses, U: snail, and Z: board game. You press <<U>>.
D: roadsweeper, U: dynamite, and Z: telephone pole. You press <<D>>.
D: snowshoe, U: kazoo, and Z: backdrop. You press <<U>>.
D: gravestone, U: meatball, and Z: tuning fork. You press <<D>>.
D: marker, U: christmas tree, and Z: granite. You press <<Z>>.
D: waffle, U: tuba, and Z: pigeon. You press <<U>>.
D: refrigerator, U: treasure, and Z: gallows. You press <<U>>.
D: diskette, U: joystick, and Z: raspberry. You press <<U>>.
D: windsock, U: beehive, and Z: blimp. You press <<U>>.
D: wire, U: beaver, and Z: honeypot. You press <<U>>.
D: bullet, U: awning, and Z: yarn. You press <<D>>.
D: muff, U: kitten, and Z: duster. You press <<D>>.
D: telescope, U: sandpaper, and Z: taxi. You press <<U>>.
D: butter, U: key, and Z: jewel. You press <<D>>.
D: scissors, U: cane, and Z: cigarette butt. You press <<U>>.
D: humvee, U: stake, and Z: gearshift. You press <<U>>.
D: whipped cream, U: souffle, and Z: shaving cream. You press <<Z>>.
D: oil, U: chicken wire, and Z: flask. You press <<U>>.
D: collar, U: flatiron, and Z: cloud. You press <<Z>>.
D: reindeer, U: leotard, and Z: thorn. You press <<U>>.
D: pencil, U: windshield wiper, and Z: pie. You press <<D>>.
D: candy, U: bagel, and Z: hay. You press <<Z>>.
D: raspberry, U: melon, and Z: stir fry. You press <<Z>>.
D: workbench, U: grits, and Z: ice-cream cone. You press <<D>>.
D: antelope, U: meatloaf, and Z: toilet paper. You press <<Z>>.
D: strap, U: tank, and Z: clove. You press <<U>>.
D: snowplow, U: bolt, and Z: lampshade. You press <<Z>>.
D: sewing kit, U: roulette wheel, and Z: bagel. You press <<Z>>.
D: wrap, U: prism, and Z: scorpion. You press <<U>>.
D: hail, U: duster, and Z: trough. You press <<U>>.
D: motorcycle, U: home plate, and Z: stingray. You press <<D>>.
D: goldfish, U: doghouse, and Z: dishwashing liquid. You press <<U>>.
D: cotton candy, U: crayon, and Z: compass. You press <<Z>>.
D: chopsticks, U: pepper mill, and Z: tulip. You press <<D>>.
D: turtleneck, U: clipboard, and Z: praying mantis. You press <<U>>.
D: hatbox, U: truck, and Z: almond. You press <<U>>.
D: lampshade, U: scale, and Z: chime. You press <<Z>>.
D: scallop, U: sundae, and Z: sugar cube. You press <<Z>>.
D: backgammon, U: defibrillator, and Z: duct tape. You press <<D>>.
D: seatbelt, U: revolver, and Z: switch. You press <<D>>.
D: brake, U: cap, and Z: dogfood. You press <<Z>>.
D: nail, U: candle, and Z: salad. You press <<D>>.
D: tinsel, U: carriage, and Z: cork. You press <<D>>.
D: pantyhose, U: retainer, and Z: wax paper. You press <<U>>.
D: balance beam, U: tape, and Z: seafood. You press <<Z>>.
D: walnut, U: tostada, and Z: windowsill. You press <<Z>>.
D: button, U: stove, and Z: life jacket. You press <<D>>.
D: donut, U: sticker, and Z: sprouts. You press <<U>>.
D: bun, U: cymbal, and Z: pepper. You press <<U>>.
D: hammock, U: duct tape, and Z: guitar. You press <<D>>.
D: abacus, U: tie, and Z: brake. You press <<U>>.
D: highlighter, U: rim, and Z: solar panel. You press <<U>>.
D: razor, U: chest, and Z: mixer. You press <<U>>.
D: face mask, U: humvee, and Z: blouse. You press <<U>>.
D: scallop, U: sequin, and Z: toad. You press <<Z>>.
D: yak, U: lip balm, and Z: petri dish. You press <<D>>.
D: truck, U: overalls, and Z: ice-cream cone. You press <<Z>>.
D: donut, U: cymbal, and Z: rock. You press <<U>>.
D: christmas card, U: grinder, and Z: lizard. You press <<U>>.
D: pin, U: easter egg, and Z: buckle. You press <<Z>>.
D: taco, U: moccasin, and Z: cookie sheet. You press <<U>>.
D: flip flop, U: hookah, and Z: cobra. You press <<U>>.
D: cigar, U: ice, and Z: checkers. You press <<Z>>.
D: seed, U: toothpick, and Z: organ. You press <<Z>>.
D: trumpet, U: bouquet, and Z: uniform. You press <<Z>>.
D: water heater, U: puddle, and Z: chopsticks. You press <<Z>>.
D: domino, U: kneepad, and Z: sock. You press <<D>>.
D: snow, U: log, and Z: groundhog. You press <<U>>.
D: squirrel, U: trailer, and Z: parachute. You press <<Z>>.
D: trigger, U: dolphin, and Z: funnel. You press <<U>>.
D: yarn, U: swing, and Z: hard disk. You press <<Z>>.
D: detonator, U: gavel, and Z: treasure. You press <<D>>.
D: yak, U: honeycomb, and Z: straw. You press <<Z>>.
D: skirt, U: kilt, and Z: gondola. You press <<Z>>.
D: chisel, U: rim, and Z: toga. You press <<D>>.
D: jeep, U: poster, and Z: broccoli. You press <<Z>>.
D: humvee, U: go-kart, and Z: slot machine. You press <<Z>>.
D: punch, U: shoulder, and Z: umbrella. You press <<U>>.
D: rug, U: meat, and Z: trophy. You press <<Z>>.
D: ramp, U: duckling, and Z: cotton candy. You press <<D>>.
D: eggbeater, U: space shuttle, and Z: plug. You press <<D>>.
D: flag, U: trolley, and Z: pug. You press <<D>>.
D: cork, U: tiara, and Z: mixer. You press <<U>>.
D: dirt bike, U: snowshoe, and Z: scanner. You press <<D>>.
D: purse, U: blowtorch, and Z: duct tape. You press <<U>>.
D: memory stick, U: cape, and Z: lollipop. You press <<D>>.
D: flute, U: kilt, and Z: melon. You press <<Z>>.
D: humvee, U: perfume, and Z: latch. You press <<U>>.
D: paperweight, U: flan, and Z: chute. You press <<Z>>.
D: food processor, U: applesauce, and Z: kimono. You press <<D>>.
D: wasp, U: lectern, and Z: ironing board. You press <<D>>.
D: stalagmite, U: face mask, and Z: pulley. You press <<U>>.
D: chinchilla, U: cardinal, and Z: slingshot. You press <<Z>>.
D: bowtie, U: dryer, and Z: loincloth. You press <<U>>.
D: ivy, U: cannon, and Z: bow. You press <<D>>.
D: film, U: thermometer, and Z: screen. You press <<Z>>.
D: prism, U: potholder, and Z: scallion. You press <<D>>.
D: album, U: tackle, and Z: loincloth. You press <<Z>>.
D: bolo tie, U: ostrich, and Z: leotard. You press <<U>>.
D: coin, U: tube top, and Z: cement mixer. You press <<Z>>.
D: snowshoe, U: ink, and Z: candlestick. You press <<D>>.
D: vulture, U: tab, and Z: moose. You press <<U>>.
D: burrito, U: twig, and Z: teapot. You press <<U>>.
D: notebook, U: knee, and Z: latch. You press <<Z>>.
D: swimsuit, U: dress, and Z: bullet. You press <<Z>>.
D: wreck, U: toilet, and Z: wheat. You press <<Z>>.
D: golf club, U: pen, and Z: slime. You press <<Z>>.
D: hockey stick, U: piano, and Z: strainer. You press <<Z>>.
D: pennant, U: gravel, and Z: soup. You press <<D>>.
D: crayfish, U: mallet, and Z: thumbtack. You press <<D>>.
D: grass, U: wrench, and Z: game. You press <<D>>.
D: checkers, U: ruby, and Z: payphone. You press <<Z>>.
D: thimble, U: watermelon, and Z: seafood. You press <<D>>.
D: hook, U: snail, and Z: eggplant. You press <<D>>.
D: walnut, U: speedometer, and Z: harmonica. You press <<Z>>.
D: wheelbarrow, U: dustpan, and Z: scanner. You press <<U>>.
D: guillotine, U: map, and Z: doorstop. You press <<U>>.
D: parfait, U: ant, and Z: blowfish. You press <<Z>>.
D: moth, U: mussel, and Z: jump rope. You press <<Z>>.
D: spam, U: block, and Z: crib. You press <<Z>>.
D: springboard, U: cruise ship, and Z: pedometer. You press <<U>>.
D: thumbtack, U: dog, and Z: compost. You press <<D>>.
D: swing set, U: corkboard, and Z: grille. You press <<U>>.
D: lava, U: laser pointer, and Z: closet. You press <<D>>.
D: jug, U: headphones, and Z: weather vane. You press <<D>>.
D: car door, U: lava, and Z: pom-pom. You press <<U>>.
D: scone, U: sweet potato, and Z: sweatsuit. You press <<Z>>.
D: hand, U: quiche, and Z: boomerang. You press <<Z>>.
D: sickle, U: puffin, and Z: hood. You press <<Z>>.
D: shirt, U: prune, and Z: bungee. You press <<U>>.
D: playing card, U: sardine, and Z: scooter. You press <<U>>.
D: mouthpiece, U: rain gauge, and Z: kangaroo. You press <<Z>>.
D: macadamia, U: origami, and Z: magnet. You press <<D>>.
D: cutting board, U: marmalade, and Z: sonogram. You press <<D>>.
D: fingerprint, U: jar, and Z: chest. You press <<U>>.
D: tea, U: cookie sheet, and Z: scorpion. You press <<U>>.
D: swimming pool, U: lip gloss, and Z: shark. You press <<D>>.
D: potato, U: hedgehog, and Z: grapevine. You press <<U>>.
D: noose, U: oilcan, and Z: step stool. You press <<Z>>.
D: vent, U: axe, and Z: prism. You press <<D>>.
D: deodorant, U: mustard, and Z: cake. You press <<D>>.
D: hood, U: parfait, and Z: stalagmite. You press <<Z>>.
D: fly, U: exerciser, and Z: hanger. You press <<D>>.
D: sheep, U: ring, and Z: velcro. You press <<U>>.
D: desk, U: swimming pool, and Z: hole. You press <<D>>.
D: coffee bean, U: bowler hat, and Z: croissant. You press <<U>>.
D: wrap, U: razor, and Z: terrarium. You press <<U>>.
D: airplane, U: kale, and Z: lip gloss. You press <<U>>.
D: spoon, U: toga, and Z: bow. You press <<Z>>.
D: cracker, U: water cooler, and Z: face mask. You press <<Z>>.
D: tooth, U: jalapeno, and Z: silverware. You press <<Z>>.
D: filing cabinet, U: eggplant, and Z: scarf. You press <<U>>.
D: hairspray, U: crayfish, and Z: napkin. You press <<Z>>.
D: tumbleweed, U: mulch, and Z: shoulder. You press <<D>>.
D: washcloth, U: grenade, and Z: domino. You press <<D>>.
D: rack, U: butterfly, and Z: koala. You press <<D>>.
D: magnifying glass, U: light switch, and Z: blinder. You press <<D>>.
D: pants, U: stick, and Z: buffet. You press <<U>>.
D: spring roll, U: record player, and Z: grinder. You press <<D>>.
D: catfish, U: hotplate, and Z: sawhorse. You press <<Z>>.
D: urinal, U: inhaler, and Z: wasp. You press <<Z>>.
D: gondola, U: wrap, and Z: tulip. You press <<D>>.
D: hatchet, U: baton, and Z: suit. You press <<D>>.
D: fishing pole, U: kangaroo, and Z: fireworks. You press <<Z>>.
D: barbed wire, U: wagon, and Z: snow. You press <<U>>.
D: icicle, U: coat, and Z: lamb. You press <<U>>.
D: dresser, U: coffee bean, and Z: toaster oven. You press <<D>>.
D: ketchup, U: wrench, and Z: armor. You press <<D>>.
D: bone, U: radiator, and Z: tiara. You press <<U>>.
D: shears, U: computer screen, and Z: broccoli. You press <<U>>.
D: perfume, U: cornucopia, and Z: tooth. You press <<D>>.
D: shoelace, U: daisy, and Z: bongo. You press <<Z>>.
D: jumpsuit, U: goose, and Z: wedding cake. You press <<Z>>.
D: coil, U: cooler, and Z: twig. You press <<Z>>.
D: pencil, U: scaffolding, and Z: saw. You press <<D>>.
D: cauliflower, U: porthole, and Z: zipper. You press <<Z>>.
D: laptop, U: pinball, and Z: clothes. You press <<U>>.
D: drink, U: foam, and Z: flamethrower. You press <<Z>>.