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

F: shoe, X: chime, and R: gong. You press <<F>>.
F: screen, X: chain, and R: football helmet. You press <<R>>.
F: comic book, X: straw, and R: oar. You press <<F>>.
F: bike, X: lightning bug, and R: alpaca. You press <<F>>.
F: bat, X: hot-water bottle, and R: chessboard. You press <<F>>.
F: oar, X: curb, and R: cushion. You press <<F>>.
F: gas mask, X: raisin, and R: salami. You press <<F>>.
F: cuckoo clock, X: light switch, and R: snowman. You press <<F>>.
F: crystal, X: hyena, and R: telephone pole. You press <<R>>.
F: crab, X: nightstand, and R: credit card. You press <<R>>.
F: gate, X: pig, and R: handkerchief. You press <<R>>.
F: diving board, X: trailer, and R: slot machine. You press <<F>>.
F: tortellini, X: shuffleboard, and R: stick. You press <<F>>.
F: sheet, X: swimming pool, and R: treadmill. You press <<X>>.
F: tree trunk, X: mustard, and R: bell. You press <<X>>.
F: graffiti, X: snow, and R: granola. You press <<R>>.
F: chip, X: hatchet, and R: tiger. You press <<F>>.
F: chime, X: shoe, and R: gong. You press <<X>>.
F: wineglass, X: casserole, and R: snowball. You press <<R>>.
F: pea, X: horse, and R: punching bag. You press <<R>>.
F: fish, X: ice, and R: vise. You press <<F>>.
F: guillotine, X: toaster, and R: altar. You press <<R>>.
F: terrarium, X: drawer, and R: football helmet. You press <<F>>.
F: torso, X: centerpiece, and R: smoke alarm. You press <<R>>.
F: boot, X: mouse, and R: lock. You press <<F>>.
F: moose, X: dough, and R: frame. You press <<F>>.
F: ladybug, X: shoehorn, and R: grille. You press <<R>>.
F: boot, X: face mask, and R: fishhook. You press <<X>>.
F: doily, X: firewood, and R: honey. You press <<F>>.
F: rattle, X: sonogram, and R: paddle. You press <<R>>.
F: goat, X: scaffolding, and R: crane. You press <<F>>.
F: tooth, X: popsicle, and R: slingshot. You press <<R>>.
F: napkin, X: punching bag, and R: bib. You press <<X>>.
F: coop, X: melon, and R: box. You press <<X>>.
F: machine gun, X: crayfish, and R: hip. You press <<R>>.
F: wine bottle, X: lampshade, and R: springboard. You press <<R>>.
F: light switch, X: pickax, and R: buoy. You press <<F>>.
F: grille, X: noodle, and R: heater. You press <<X>>.
F: prism, X: parachute, and R: fishnet stockings. You press <<X>>.
F: aloe, X: sling, and R: cutting board. You press <<X>>.
F: freezer, X: poster, and R: comb. You press <<R>>.
F: videocassette, X: headlight, and R: pistachio. You press <<R>>.
F: drawer, X: handbrake, and R: mallet. You press <<F>>.
F: bologna, X: javelin, and R: lens. You press <<F>>.
F: curry, X: pheasant, and R: maple syrup. You press <<X>>.
F: xylophone, X: garbage, and R: folder. You press <<X>>.
F: piglet, X: ballot box, and R: xylophone. You press <<R>>.
F: dreidel, X: earplug, and R: shuffleboard. You press <<X>>.
F: dishwasher, X: scissors, and R: juice. You press <<X>>.
F: water filter, X: puppy, and R: hatchet. You press <<F>>.
F: bed, X: lightning bug, and R: tuning fork. You press <<F>>.
F: wick, X: scallop, and R: sombrero. You press <<F>>.
F: turkey, X: outlet, and R: computer screen. You press <<F>>.
F: satellite, X: butter, and R: taillight. You press <<X>>.
F: letter opener, X: pug, and R: ginger. You press <<F>>.
F: candy, X: painting, and R: scallion. You press <<X>>.
F: undershirt, X: tablecloth, and R: taco. You press <<R>>.
F: mallet, X: drawer, and R: handbrake. You press <<R>>.
F: glue, X: doorbell, and R: target. You press <<F>>.
F: snack, X: grill, and R: reel. You press <<F>>.
F: windshield, X: container, and R: makeup. You press <<F>>.
F: workbench, X: gasket, and R: tablecloth. You press <<R>>.
F: pen, X: hearse, and R: pine tree. You press <<R>>.
F: lego, X: birdhouse, and R: chick. You press <<F>>.
F: go-kart, X: mint, and R: chimney. You press <<X>>.
F: chalk, X: roller coaster, and R: shower curtain. You press <<X>>.
F: ink, X: ferris wheel, and R: stalagmite. You press <<X>>.
F: cake, X: hummingbird, and R: dial. You press <<R>>.
F: suspenders, X: bone, and R: parfait. You press <<X>>.
F: windsock, X: cherry, and R: tack. You press <<R>>.
F: garbage truck, X: lampshade, and R: tiramisu. You press <<F>>.
F: carousel, X: coffee pot, and R: throne. You press <<X>>.
F: ashtray, X: hot-air balloon, and R: punch. You press <<X>>.
F: seaweed, X: pillow, and R: train. You press <<X>>.
F: seafood, X: bubble wrap, and R: space shuttle. You press <<X>>.
F: footbath, X: target, and R: christmas card. You press <<F>>.
F: bomb, X: maple syrup, and R: pliers. You press <<R>>.
F: hearse, X: pine tree, and R: pen. You press <<X>>.
F: cart, X: vial, and R: insole. You press <<R>>.
F: cushion, X: hinge, and R: wedge. You press <<F>>.
F: bonsai, X: gingerbread man, and R: soda. You press <<F>>.
F: ping-pong table, X: vacuum, and R: flagpole. You press <<F>>.
F: grate, X: soccer ball, and R: barrette. You press <<F>>.
F: coleslaw, X: eel, and R: shoe. You press <<X>>.
F: cape, X: jeans, and R: canister. You press <<R>>.
F: moose, X: bat, and R: mouth. You press <<X>>.
F: charcoal, X: touchpad, and R: taillight. You press <<X>>.
F: cuckoo clock, X: flip flop, and R: squirt gun. You press <<F>>.
F: chocolate, X: map, and R: brush. You press <<X>>.
F: pretzel, X: grain, and R: sombrero. You press <<R>>.
F: rhinoceros, X: sewage, and R: drum. You press <<R>>.
F: batter, X: blender, and R: pepper. You press <<X>>.
F: oatmeal, X: whip, and R: computer. You press <<F>>.
F: humvee, X: trapdoor, and R: mug. You press <<R>>.
F: yogurt, X: game, and R: oatmeal. You press <<X>>.
F: key, X: clay, and R: seatbelt. You press <<X>>.
F: tortellini, X: kangaroo, and R: limousine. You press <<F>>.
F: centrifuge, X: paper, and R: plaster cast. You press <<X>>.
F: grill, X: speedboat, and R: clipper. You press <<R>>.
F: basketball, X: cheetah, and R: banjo. You press <<X>>.
F: tuxedo, X: air pump, and R: pen. You press <<F>>.
F: pear, X: fire alarm, and R: bean. You press <<X>>.
F: hotdog, X: crowbar, and R: omelet. You press <<X>>.
F: safety pin, X: pepper, and R: coffeemaker. You press <<X>>.
F: boxing gloves, X: beanbag, and R: hookah. You press <<X>>.
F: filing cabinet, X: comb, and R: kite. You press <<R>>.
F: sticker, X: doorknob, and R: shoe polish. You press <<F>>.
F: cane, X: costume, and R: wok. You press <<X>>.
F: clothesline, X: squirrel, and R: gear. You press <<X>>.
F: collar, X: bobsled, and R: sock. You press <<X>>.
F: mouse, X: walker, and R: radiator. You press <<F>>.
F: orchid, X: hovercraft, and R: baton. You press <<F>>.
F: float, X: ruler, and R: water bottle. You press <<X>>.
F: envelope, X: diskette, and R: tinsel. You press <<X>>.
F: rug, X: moccasin, and R: fossil. You press <<F>>.
F: oven, X: hammer, and R: spider web. You press <<R>>.
F: trolley, X: toy, and R: stem. You press <<R>>.
F: snack, X: contact lens, and R: lobster. You press <<X>>.
F: bean, X: fire alarm, and R: pear. You press <<X>>.
F: strap, X: dishrag, and R: can. You press <<F>>.
F: nail polish, X: spinach, and R: contact lens. You press <<X>>.
F: jukebox, X: caterpillar, and R: mirror. You press <<X>>.
F: casserole, X: diamond, and R: coffeemaker. You press <<F>>.
F: curtain, X: tuxedo, and R: patty. You press <<X>>.
F: gravestone, X: dirt bike, and R: anchor. You press <<X>>.
F: jack, X: giraffe, and R: computer. You press <<R>>.
F: tee, X: tablet, and R: ankle. You press <<X>>.
F: crayfish, X: trap, and R: stamp. You press <<R>>.
F: doghouse, X: anchor, and R: pinball. You press <<R>>.
F: doily, X: tomato sauce, and R: stove. You press <<F>>.
F: hot chocolate, X: tape recorder, and R: grinder. You press <<X>>.
F: sheet, X: roller, and R: sunglasses. You press <<X>>.
F: iron, X: chicken, and R: squirt gun. You press <<F>>.
F: chicken, X: orangutan, and R: stopwatch. You press <<X>>.
F: license plate, X: blowgun, and R: odometer. You press <<X>>.
F: kiwi, X: cigarette, and R: cobra. You press <<X>>.
F: nail file, X: violin, and R: bow. You press <<X>>.
F: closet, X: clasp, and R: headrest. You press <<F>>.
F: deodorant, X: toast, and R: outfit. You press <<X>>.
F: diamond, X: coffeemaker, and R: casserole. You press <<R>>.
F: rat, X: tattoo, and R: luggage. You press <<X>>.
F: bread, X: glove, and R: hook. You press <<X>>.
F: cup, X: film, and R: wheel. You press <<X>>.
F: buckle, X: sardine, and R: orchid. You press <<R>>.
F: goalpost, X: plum, and R: tractor. You press <<X>>.
F: filter, X: leotard, and R: meat grinder. You press <<X>>.
F: keyhole, X: fly, and R: napkin. You press <<R>>.
F: wax, X: grapevine, and R: flypaper. You press <<R>>.
F: insole, X: whale, and R: trough. You press <<F>>.
F: boy, X: mustache, and R: pomegranate. You press <<R>>.
F: antenna, X: buckle, and R: washboard. You press <<F>>.
F: coffee filter, X: stiletto, and R: pita. You press <<X>>.
F: bell pepper, X: mistletoe, and R: shortbread. You press <<X>>.
F: cream, X: sled, and R: cd player. You press <<R>>.
F: music box, X: painting, and R: scoreboard. You press <<R>>.
F: corset, X: licorice, and R: pantyhose. You press <<R>>.
F: gopher, X: hookah, and R: television. You press <<R>>.
F: ravioli, X: tab, and R: cobra. You press <<F>>.
F: glove, X: hook, and R: bread. You press <<F>>.
F: drill, X: ravioli, and R: cabinet. You press <<X>>.
F: dashboard, X: bandage, and R: chest. You press <<F>>.
F: hairnet, X: dishrag, and R: eyedropper. You press <<F>>.
F: tiger, X: hood, and R: saddle. You press <<F>>.
F: ice-cream cone, X: nest, and R: wagon. You press <<F>>.
F: razor, X: toothpaste, and R: baseball. You press <<R>>.
F: stalagmite, X: buoy, and R: pocket. You press <<R>>.
F: mandolin, X: grape, and R: notebook. You press <<X>>.
F: pie, X: hot tub, and R: comb. You press <<R>>.
F: target, X: sawhorse, and R: cornucopia. You press <<X>>.
F: crucifix, X: plate, and R: go-kart. You press <<R>>.
F: octopus, X: quiche, and R: pancake. You press <<F>>.
F: calamari, X: blazer, and R: necklace. You press <<F>>.
F: leek, X: pecan, and R: brass knuckles. You press <<R>>.
F: rolling pin, X: panties, and R: glue. You press <<X>>.
F: necklace, X: bracket, and R: spaghetti. You press <<X>>.
F: switch, X: rug, and R: enchilada. You press <<R>>.
F: gingerbread man, X: radiator, and R: antelope. You press <<F>>.
F: jewelry, X: mold, and R: lamb chop. You press <<R>>.
F: hourglass, X: brooch, and R: leash. You press <<R>>.
F: hood, X: saddle, and R: tiger. You press <<R>>.
F: manhole, X: batter, and R: mattress. You press <<R>>.
F: checkbook, X: manhole, and R: cassette. You press <<F>>.
F: paperweight, X: rosary, and R: rooster. You press <<F>>.
F: school bus, X: desk, and R: crayfish. You press <<F>>.
F: binder, X: grapevine, and R: gate. You press <<X>>.
F: octopus, X: sombrero, and R: carrot. You press <<X>>.
F: chinaware, X: jukebox, and R: raisin. You press <<X>>.
F: jeans, X: boar, and R: popcorn. You press <<F>>.
F: puppet, X: sickle, and R: ant. You press <<F>>.
F: drum, X: freezer, and R: guitar. You press <<X>>.
F: pheasant, X: brick, and R: crystal ball. You press <<R>>.
F: pinball, X: tray, and R: hanger. You press <<X>>.
F: doghouse, X: rat, and R: crate. You press <<X>>.
F: strap, X: mannequin, and R: popcorn. You press <<R>>.
F: lettuce, X: blackberry, and R: railing. You press <<R>>.
F: jelly bean, X: chimney, and R: camcorder. You press <<F>>.
F: school bus, X: desk, and R: crayfish. You press <<X>>.
F: sickle, X: rock, and R: doll. You press <<F>>.
F: bucket, X: mongoose, and R: daisy. You press <<F>>.
F: electric chair, X: dough, and R: turf. You press <<F>>.
F: typewriter, X: camera lens, and R: sewing machine. You press <<X>>.
F: rug, X: cream cheese, and R: possum. You press <<R>>.
F: bowling ball, X: calzone, and R: detonator. You press <<X>>.
F: heater, X: camel, and R: shorts. You press <<F>>.
F: blazer, X: christmas card, and R: veil. You press <<X>>.
F: handprint, X: spider, and R: shower. You press <<X>>.
F: hotdog, X: can, and R: owl. You press <<F>>.
F: mixer, X: blueberry, and R: straightjacket. You press <<X>>.
F: duster, X: pig, and R: wineglass. You press <<F>>.
F: melon, X: train set, and R: pitcher. You press <<R>>.
F: doily, X: stair, and R: sunroof. You press <<R>>.
F: parsley, X: fuse, and R: pinball. You press <<F>>.
F: inhaler, X: leech, and R: saxophone. You press <<X>>.
F: honey, X: bathtub, and R: satellite. You press <<X>>.
F: blanket, X: heater, and R: cake. You press <<X>>.
F: shovel, X: crepe, and R: whiteboard. You press <<X>>.
F: mosquito, X: sand, and R: boar. You press <<X>>.
F: odometer, X: laptop, and R: bowtie. You press <<R>>.
F: switch, X: stamp, and R: turkey. You press <<X>>.
F: camera lens, X: typewriter, and R: sewing machine. You press <<F>>.
F: bracelet, X: drill, and R: cushion. You press <<F>>.
F: french horn, X: coal, and R: stained glass. You press <<X>>.
F: go-kart, X: pogo stick, and R: harmonica. You press <<F>>.
F: corset, X: flour, and R: wheelbarrow. You press <<F>>.
F: burrito, X: nightshirt, and R: glass. You press <<X>>.
F: pitchfork, X: pumpkin, and R: sunroof. You press <<R>>.
F: wind chimes, X: scorpion, and R: cabbage. You press <<X>>.
F: cake mix, X: eyepiece, and R: scallop. You press <<X>>.
F: kilt, X: file, and R: dolly. You press <<X>>.
F: boa, X: brace, and R: dumbbell. You press <<X>>.
F: rattlesnake, X: pump, and R: shower. You press <<R>>.
F: canister, X: powder, and R: watch. You press <<X>>.
F: dishwasher, X: eraser, and R: camera. You press <<X>>.
F: face mask, X: cabinet, and R: hook. You press <<F>>.
F: headset, X: casserole, and R: pogo stick. You press <<X>>.
F: roadsweeper, X: chest, and R: flyswatter. You press <<X>>.
F: rhubarb, X: dolphin, and R: woman. You press <<F>>.
F: cornbread, X: iron, and R: compost. You press <<F>>.
F: cream, X: doormat, and R: mint. You press <<R>>.
F: corset, X: wheelbarrow, and R: flour. You press <<F>>.
F: food processor, X: binoculars, and R: gold. You press <<R>>.
F: gasket, X: fish, and R: station wagon. You press <<X>>.
F: sledgehammer, X: mistletoe, and R: coffeemaker. You press <<R>>.
F: odometer, X: thumbtack, and R: hair. You press <<R>>.
F: cardboard, X: taffy, and R: hip. You press <<X>>.
F: baby, X: necklace, and R: carriage. You press <<F>>.
F: racehorse, X: sand, and R: lipstick. You press <<R>>.
F: manatee, X: footbath, and R: bedpost. You press <<X>>.
F: dashboard, X: banjo, and R: board. You press <<R>>.
F: garbage, X: suitcase, and R: railing. You press <<X>>.
F: sauerkraut, X: pill, and R: tiger. You press <<X>>.
F: seaweed, X: bread, and R: chalk. You press <<F>>.
F: sugar cube, X: raspberry, and R: cigar. You press <<R>>.
F: weather vane, X: turf, and R: ladle. You press <<R>>.
F: bagpipe, X: hopscotch, and R: coral. You press <<X>>.
F: flour, X: gourd, and R: wedge. You press <<X>>.
F: sorbet, X: crouton, and R: bowtie. You press <<F>>.
F: avocado, X: oar, and R: car. You press <<F>>.
F: celery, X: canoe, and R: holster. You press <<F>>.
F: bagpipe, X: laptop, and R: drill. You press <<X>>.
F: combination lock, X: water cooler, and R: spring roll. You press <<R>>.
F: potpie, X: washboard, and R: closet. You press <<F>>.
F: workbench, X: thermos, and R: tab. You press <<X>>.
F: water cooler, X: stem, and R: llama. You press <<F>>.
F: telegraph, X: envelope, and R: coin. You press <<X>>.
F: dumpling, X: shears, and R: jewel. You press <<R>>.
F: mushroom, X: cilantro, and R: quad. You press <<R>>.
F: crucifix, X: sombrero, and R: earwig. You press <<R>>.
F: crystal ball, X: brush, and R: steering wheel. You press <<X>>.
F: boy, X: counter, and R: camcorder. You press <<F>>.
F: pickax, X: chair, and R: woman. You press <<R>>.
F: inkwell, X: tablet, and R: torso. You press <<X>>.
F: honeypot, X: cello, and R: alligator. You press <<F>>.
F: puddle, X: pie, and R: kale. You press <<X>>.
F: valve, X: burrito, and R: triangle. You press <<X>>.
F: carrot, X: quilt, and R: wig. You press <<R>>.
F: spring roll, X: combination lock, and R: water cooler. You press <<F>>.
F: brake, X: glasses, and R: flatiron. You press <<X>>.
F: icepick, X: coverall, and R: doormat. You press <<R>>.
F: paperclip, X: cockroach, and R: egg roll. You press <<F>>.