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

U: cactus, I: fly, and O: pine tree. You press <<I>>.
U: badger, I: folder, and O: trowel. You press <<U>>.
U: luggage, I: ice, and O: scraper. You press <<I>>.
U: photo booth, I: thermostat, and O: shaker. You press <<O>>.
U: brownie, I: yak, and O: burrito. You press <<I>>.
U: fireworks, I: stockings, and O: hairbrush. You press <<I>>.
U: bowling ball, I: sunglasses, and O: clipboard. You press <<I>>.
U: pantyhose, I: sofa bed, and O: jar. You press <<U>>.
U: moss, I: turban, and O: glue. You press <<U>>.
U: headlight, I: gravy, and O: sunflower. You press <<I>>.
U: clipper, I: coat, and O: eyeliner. You press <<I>>.
U: tricycle, I: toast, and O: mouthpiece. You press <<I>>.
U: cheetah, I: iceskate, and O: petri dish. You press <<U>>.
U: folder, I: graffiti, and O: buoy. You press <<O>>.
U: brick, I: garbage, and O: panda. You press <<O>>.
U: ping-pong table, I: screwdriver, and O: eggplant. You press <<U>>.
U: window, I: sandcastle, and O: cardinal. You press <<O>>.
U: cello, I: kangaroo, and O: hummus. You press <<I>>.
U: coat rack, I: scissors, and O: stool. You press <<I>>.
U: trap, I: chive, and O: stroller. You press <<I>>.
U: trampoline, I: pomegranate, and O: toilet paper. You press <<O>>.
U: gun, I: stove, and O: kitten. You press <<O>>.
U: artichoke, I: calculator, and O: pie. You press <<I>>.
U: nail polish, I: forklift, and O: bumper. You press <<U>>.
U: blender, I: parrot, and O: hamster. You press <<U>>.
U: stalagmite, I: fossil, and O: doghouse. You press <<O>>.
U: punch, I: blender, and O: dip. You press <<U>>.
U: purse, I: corn, and O: golf club. You press <<I>>.
U: beard, I: typewriter, and O: hydrant. You press <<U>>.
U: cloak, I: spaghetti, and O: seafood. You press <<U>>.
U: tractor, I: face mask, and O: chin. You press <<U>>.
U: wire cutters, I: dial, and O: ticktacktoe. You press <<U>>.
U: racehorse, I: pudding, and O: fast food. You press <<U>>.
U: wetsuit, I: aquarium, and O: boa. You press <<I>>.
U: barrette, I: ferry, and O: pea. You press <<U>>.
U: coverall, I: snail, and O: doily. You press <<U>>.
U: clipboard, I: can, and O: meatball. You press <<U>>.
U: dashboard, I: insole, and O: strawberry. You press <<U>>.
U: forklift, I: garbage, and O: hourglass. You press <<O>>.
U: coffeemaker, I: windshield wiper, and O: fly. You press <<O>>.
U: sledgehammer, I: cockroach, and O: elephant. You press <<U>>.
U: waffle iron, I: tractor, and O: candy cane. You press <<O>>.
U: dishwashing liquid, I: hinge, and O: bubble. You press <<I>>.
U: machete, I: foam, and O: van. You press <<U>>.
U: piglet, I: paperclip, and O: pea. You press <<I>>.
U: skin, I: bread, and O: piano. You press <<O>>.
U: girl, I: necklace, and O: truck. You press <<O>>.
U: incubator, I: film, and O: hawk. You press <<I>>.
U: easter egg, I: palm tree, and O: toaster oven. You press <<I>>.
U: rose, I: pedal, and O: brush. You press <<U>>.
U: banner, I: shopping basket, and O: enchilada. You press <<O>>.
U: puddle, I: cello, and O: coffee bean. You press <<U>>.
U: terrarium, I: landmine, and O: rifle. You press <<U>>.
U: ski boots, I: gel, and O: quilt. You press <<I>>.
U: maggot, I: eclair, and O: bubble wrap. You press <<I>>.
U: ginger, I: payphone, and O: mistletoe. You press <<I>>.
U: chihuahua, I: ice cream, and O: eagle. You press <<I>>.
U: headdress, I: reindeer, and O: bologna. You press <<O>>.
U: pipe, I: railing, and O: bone. You press <<O>>.
U: prism, I: seahorse, and O: pita. You press <<O>>.
U: curry, I: statue, and O: mulberry. You press <<I>>.
U: rollerskate, I: counter, and O: dalmatian. You press <<I>>.
U: cooler, I: donkey, and O: lighter. You press <<I>>.
U: ferret, I: hotplate, and O: machete. You press <<U>>.
U: coffin, I: eel, and O: hat. You press <<O>>.
U: luggage, I: headlamp, and O: swing. You press <<O>>.
U: boot, I: spool, and O: kettle. You press <<U>>.
U: gauge, I: air pump, and O: coffeemaker. You press <<O>>.
U: toucan, I: balloon, and O: piglet. You press <<I>>.
U: tomato sauce, I: coop, and O: tuba. You press <<O>>.
U: hobbyhorse, I: electric chair, and O: firewood. You press <<I>>.
U: brussels sprouts, I: teacup, and O: eel. You press <<U>>.
U: manhole, I: headband, and O: trowel. You press <<I>>.
U: antenna, I: film, and O: coffee filter. You press <<O>>.
U: cake mix, I: bell pepper, and O: mug. You press <<O>>.
U: vest, I: patch, and O: coal. You press <<U>>.
U: shuffleboard, I: toilet paper, and O: plate. You press <<I>>.
U: trailer, I: stretcher, and O: shield. You press <<O>>.
U: candelabra, I: videogame, and O: bamboo. You press <<I>>.
U: rice, I: lunchbox, and O: wok. You press <<I>>.
U: grape, I: nail clippers, and O: straw. You press <<I>>.
U: comic book, I: trophy, and O: vacuum. You press <<U>>.
U: car door, I: tuba, and O: butter. You press <<O>>.
U: skull, I: hookah, and O: hotplate. You press <<U>>.
U: closet, I: wheel, and O: mango. You press <<O>>.
U: sandwich, I: peeler, and O: rat. You press <<O>>.
U: cheese, I: contact lens, and O: missile. You press <<O>>.
U: green beans, I: chalkboard, and O: tile. You press <<I>>.
U: jackhammer, I: pancake, and O: camera. You press <<I>>.
U: bathmat, I: riser, and O: chalkboard. You press <<I>>.
U: gumdrop, I: gearshift, and O: trailer. You press <<U>>.
U: pheasant, I: punch, and O: shark. You press <<I>>.
U: lifesaver, I: pasta, and O: bowl. You press <<U>>.
U: neck, I: highlighter, and O: corn. You press <<I>>.
U: hairpin, I: bush, and O: stroller. You press <<I>>.
U: rearview mirror, I: blazer, and O: scaffolding. You press <<I>>.
U: teabag, I: hairdryer, and O: blinder. You press <<U>>.
U: tick, I: juicer, and O: hairbrush. You press <<I>>.
U: centrifuge, I: gravel, and O: chimney. You press <<U>>.
U: wolf, I: lightning bug, and O: locker. You press <<O>>.
U: basket, I: gumdrop, and O: kettle. You press <<I>>.
U: tongue, I: target, and O: binder. You press <<U>>.
U: ring, I: tongs, and O: sheet. You press <<O>>.
U: teapot, I: corsage, and O: applesauce. You press <<I>>.
U: powder, I: bobsled, and O: teddy bear. You press <<U>>.
U: fishing pole, I: macaroni, and O: shears. You press <<I>>.
U: pita, I: fishhook, and O: magnifying glass. You press <<U>>.
U: gel, I: iguana, and O: harmonica. You press <<I>>.
U: praying mantis, I: leopard, and O: onion. You press <<O>>.
U: broccoli, I: guacamole, and O: dumpling. You press <<O>>.
U: waffle iron, I: hairnet, and O: cutting board. You press <<I>>.
U: hard disk, I: face mask, and O: latch. You press <<I>>.
U: coop, I: doily, and O: tile. You press <<I>>.
U: piglet, I: tarantula, and O: screwdriver. You press <<O>>.
U: food processor, I: calzone, and O: gauze. You press <<I>>.
U: rosary, I: hippopotamus, and O: casserole. You press <<U>>.
U: mitten, I: cheeseburger, and O: toilet. You press <<I>>.
U: slide, I: sled, and O: napkin. You press <<O>>.
U: hairnet, I: sausage, and O: carousel. You press <<I>>.
U: napkin, I: mosquito net, and O: spareribs. You press <<O>>.
U: whistle, I: creme brulee, and O: sausage. You press <<U>>.
U: nut, I: cookie, and O: calzone. You press <<U>>.
U: chimney, I: oatmeal, and O: rosary. You press <<I>>.
U: iguana, I: blimp, and O: panties. You press <<U>>.
U: apple tree, I: dumpling, and O: modem. You press <<O>>.
U: bazooka, I: puppet, and O: braid. You press <<I>>.
U: wall, I: tape recorder, and O: hot-air balloon. You press <<I>>.
U: router, I: fishhook, and O: sand. You press <<O>>.
U: lamp, I: dolly, and O: ball. You press <<O>>.
U: photo booth, I: barnacle, and O: sardine. You press <<U>>.
U: juice, I: tulip, and O: torso. You press <<I>>.
U: soccer ball, I: zebra, and O: outfit. You press <<U>>.
U: towel, I: blower, and O: soda fountain. You press <<O>>.
U: brass knuckles, I: camera, and O: shaker. You press <<I>>.
U: rabbit, I: sofa bed, and O: saucer. You press <<U>>.
U: dog, I: sledgehammer, and O: baby. You press <<I>>.
U: graffiti, I: lens, and O: bikini. You press <<I>>.
U: fire hydrant, I: organ, and O: noodle. You press <<O>>.
U: cantaloupe, I: viewfinder, and O: toe. You press <<O>>.
U: ankle, I: gun, and O: petri dish. You press <<U>>.
U: frame, I: pudding, and O: veil. You press <<I>>.
U: bat, I: beanbag, and O: straw. You press <<I>>.
U: sand, I: music box, and O: sunroof. You press <<I>>.
U: fan, I: jewelry, and O: washcloth. You press <<I>>.
U: ladder, I: stopwatch, and O: eyepiece. You press <<U>>.
U: baseball bat, I: easter egg, and O: ferris wheel. You press <<U>>.
U: guardrail, I: sim card, and O: melon. You press <<O>>.
U: dishrag, I: cobra, and O: microwave. You press <<I>>.
U: garlic, I: seahorse, and O: beard. You press <<I>>.
U: straightjacket, I: sim card, and O: stamp. You press <<U>>.
U: sparkler, I: plum, and O: cheese. You press <<U>>.
U: helicopter, I: ruler, and O: warthog. You press <<O>>.
U: raccoon, I: mussel, and O: pea. You press <<U>>.
U: stockings, I: cleat, and O: paintbrush. You press <<O>>.
U: petri dish, I: sweeper, and O: mold. You press <<I>>.
U: backpack, I: oilcan, and O: checkbook. You press <<I>>.
U: cape, I: cupcake, and O: megaphone. You press <<I>>.
U: grits, I: manatee, and O: ski lift. You press <<U>>.
U: cymbal, I: generator, and O: cardigan. You press <<O>>.
U: strawberry, I: yak, and O: boat. You press <<U>>.
U: ambulance, I: tuning fork, and O: grill. You press <<I>>.
U: parfait, I: breathalyzer, and O: keyboard. You press <<U>>.
U: heater, I: stereo, and O: lamb. You press <<O>>.
U: cash machine, I: chicken wire, and O: doorbell. You press <<O>>.
U: dice, I: raspberry, and O: gem. You press <<I>>.
U: stump, I: crab, and O: teddy bear. You press <<O>>.
U: fast food, I: pin, and O: yolk. You press <<I>>.
U: eggnog, I: radio, and O: polygraph. You press <<U>>.
U: spear, I: sandcastle, and O: joystick. You press <<I>>.
U: honeycomb, I: knot, and O: hair. You press <<U>>.
U: potpourri, I: satellite, and O: birthday cake. You press <<I>>.
U: noodle, I: toothpick, and O: feather. You press <<O>>.
U: duffel bag, I: mirror, and O: makeup. You press <<U>>.
U: train, I: basket, and O: cutting board. You press <<U>>.
U: pineapple, I: saffron, and O: sauerkraut. You press <<U>>.
U: microphone, I: combination lock, and O: trunk. You press <<U>>.
U: chime, I: bulldozer, and O: machine gun. You press <<I>>.
U: pepper, I: cape, and O: napkin. You press <<I>>.
U: lock, I: ivy, and O: baton. You press <<I>>.
U: mole, I: keyhole, and O: microwave. You press <<U>>.
U: rhinoceros, I: roulette wheel, and O: bumper. You press <<I>>.
U: bedpan, I: dresser, and O: wine cooler. You press <<I>>.
U: spark plug, I: grenade, and O: snowboard. You press <<O>>.
U: hash, I: sweeper, and O: plunger. You press <<U>>.
U: slug, I: inhaler, and O: water fountain. You press <<U>>.
U: scallion, I: stilt, and O: apple tree. You press <<I>>.
U: vise, I: birdbath, and O: napkin ring. You press <<O>>.
U: garlic, I: wire, and O: scone. You press <<I>>.
U: barbell, I: pantsuit, and O: wrapping paper. You press <<U>>.
U: whiteboard, I: nutcracker, and O: hole. You press <<O>>.
U: treadmill, I: peanut butter, and O: shoulder. You press <<U>>.
U: payphone, I: cigarette holder, and O: headscarf. You press <<O>>.
U: breadbox, I: saucer, and O: incubator. You press <<O>>.
U: flan, I: ant, and O: guinea pig. You press <<U>>.
U: macadamia, I: harness, and O: coleslaw. You press <<I>>.
U: skull, I: dryer, and O: hourglass. You press <<U>>.
U: walnut, I: scrambled egg, and O: badger. You press <<O>>.
U: bug, I: hat, and O: sweatsuit. You press <<U>>.
U: beachball, I: wire cutters, and O: gyro. You press <<O>>.
U: tambourine, I: wolf, and O: ping-pong table. You press <<I>>.