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

Z: cannon, X: garbage truck, and I: wire. You press <<I>>.
Z: phone booth, X: rhinoceros, and I: bag. You press <<X>>.
Z: radish, X: insole, and I: extinguisher. You press <<Z>>.
Z: gas mask, X: cactus, and I: eyeliner. You press <<X>>.
Z: mast, X: revolving door, and I: roadsweeper. You press <<I>>.
Z: mousse, X: sofa bed, and I: curling iron. You press <<Z>>.
Z: drill, X: goalpost, and I: chimney. You press <<Z>>.
Z: snowsuit, X: razor, and I: knee. You press <<Z>>.
Z: salami, X: hammock, and I: diving board. You press <<Z>>.
Z: diaper, X: hot chocolate, and I: saddle. You press <<X>>.
Z: wedding cake, X: boxing gloves, and I: yoke. You press <<Z>>.
Z: drumstick, X: cuckoo clock, and I: hovercraft. You press <<I>>.
Z: pickle, X: milkshake, and I: jump rope. You press <<I>>.
Z: cookie cutter, X: spider, and I: go-kart. You press <<I>>.
Z: sidecar, X: frame, and I: wire. You press <<Z>>.
Z: missile, X: toaster, and I: nail clippers. You press <<Z>>.
Z: ice, X: bottle, and I: petal. You press <<X>>.
Z: bus, X: camcorder, and I: corsage. You press <<Z>>.
Z: coffin, X: fudge, and I: giraffe. You press <<Z>>.
Z: pliers, X: vise, and I: prune. You press <<I>>.
Z: belt buckle, X: collar, and I: candelabra. You press <<I>>.
Z: soda, X: rack, and I: dolphin. You press <<X>>.
Z: nail polish, X: sequin, and I: whistle. You press <<I>>.
Z: pillbox, X: slug, and I: gingerbread man. You press <<X>>.
Z: odometer, X: crystal ball, and I: dartboard. You press <<Z>>.
Z: breathalyzer, X: boulder, and I: meatloaf. You press <<Z>>.
Z: washcloth, X: column, and I: pear. You press <<X>>.
Z: sledgehammer, X: chive, and I: hoe. You press <<X>>.
Z: spur, X: headrest, and I: scraper. You press <<X>>.
Z: tamale, X: pancake, and I: sprinkler. You press <<I>>.
Z: tortilla, X: wafer, and I: pastry. You press <<X>>.
Z: tapestry, X: lego, and I: cactus. You press <<X>>.
Z: refrigerator, X: shower cap, and I: screen. You press <<Z>>.
Z: barcode, X: cloak, and I: tea. You press <<Z>>.
Z: headband, X: microwave, and I: headset. You press <<X>>.
Z: revolver, X: lamb chop, and I: gauge. You press <<X>>.
Z: pill, X: ashtray, and I: coral. You press <<I>>.
Z: twig, X: clay, and I: crumb. You press <<I>>.
Z: bone, X: canvas, and I: rearview mirror. You press <<Z>>.
Z: stair, X: sauce, and I: cruise ship. You press <<X>>.
Z: crayfish, X: owl, and I: soda. You press <<I>>.
Z: chandelier, X: cot, and I: warthog. You press <<Z>>.
Z: bark, X: collar, and I: sword. You press <<Z>>.
Z: apple tree, X: cash machine, and I: turkey. You press <<X>>.
Z: bison, X: dish, and I: kettle. You press <<Z>>.
Z: beard, X: dolphin, and I: warthog. You press <<Z>>.
Z: biscuit, X: gazelle, and I: tuxedo. You press <<Z>>.
Z: aardvark, X: branch, and I: outlet. You press <<I>>.
Z: basketball, X: birdcage, and I: guardrail. You press <<X>>.
Z: charger, X: quiche, and I: quill. You press <<X>>.
Z: cockroach, X: peppermint, and I: petal. You press <<Z>>.
Z: breadstick, X: cigar, and I: shell. You press <<Z>>.
Z: pallet, X: punch, and I: tray. You press <<Z>>.
Z: brussels sprouts, X: wok, and I: yogurt. You press <<X>>.
Z: flashbulb, X: hanger, and I: mud. You press <<Z>>.
Z: chip, X: trapdoor, and I: videocassette. You press <<X>>.
Z: bomb, X: carriage, and I: gazelle. You press <<I>>.
Z: binder, X: bug, and I: steering wheel. You press <<X>>.
Z: possum, X: tiara, and I: timer. You press <<Z>>.
Z: flyswatter, X: praying mantis, and I: shell. You press <<X>>.
Z: chisel, X: kite, and I: knob. You press <<X>>.
Z: steering wheel, X: telephone pole, and I: traffic light. You press <<X>>.
Z: salami, X: wheat, and I: wire. You press <<I>>.
Z: marker, X: shopping cart, and I: wall. You press <<Z>>.
Z: safety pin, X: scissors, and I: stockings. You press <<I>>.
Z: car seat, X: crossbow, and I: tree. You press <<I>>.
Z: seagull, X: wagon, and I: windshield. You press <<I>>.
Z: gazelle, X: gramophone, and I: mistletoe. You press <<Z>>.
Z: crystal, X: detonator, and I: mushroom. You press <<I>>.
Z: brake, X: bubble, and I: noisemaker. You press <<X>>.
Z: balloon, X: car door, and I: cow. You press <<Z>>.
Z: baseball bat, X: lizard, and I: pine tree. You press <<Z>>.
Z: meerkat, X: shark, and I: t-shirt. You press <<I>>.
Z: butter, X: hubcap, and I: riser. You press <<Z>>.
Z: dial, X: doll, and I: shirt. You press <<Z>>.
Z: counter, X: gyroscope, and I: walker. You press <<Z>>.
Z: denture, X: life jacket, and I: notepad. You press <<X>>.
Z: hot-water bottle, X: roulette wheel, and I: soda fountain. You press <<I>>.
Z: butter, X: plastic film, and I: spacesuit. You press <<I>>.
Z: humvee, X: mitten, and I: pencil. You press <<Z>>.
Z: umbrella, X: hairpin, and I: mosquito net. You press <<X>>.
Z: knob, X: hay, and I: coleslaw. You press <<Z>>.
Z: footprint, X: hammer, and I: tool. You press <<Z>>.
Z: cage, X: engine, and I: cigar. You press <<I>>.
Z: cocktail, X: buoy, and I: cake. You press <<X>>.
Z: thermostat, X: cookie, and I: fingerprint. You press <<Z>>.
Z: leg, X: spout, and I: comic book. You press <<I>>.
Z: clam, X: coffee, and I: coleslaw. You press <<X>>.
Z: wolf, X: pea, and I: grill. You press <<X>>.
Z: stomach, X: mailbox, and I: chime. You press <<Z>>.
Z: ping-pong table, X: pocket watch, and I: tadpole. You press <<I>>.
Z: bulletproof vest, X: riser, and I: floss. You press <<I>>.
Z: fern, X: ferris wheel, and I: gel. You press <<I>>.
Z: pickax, X: generator, and I: remote control. You press <<I>>.
Z: notebook, X: arugula, and I: batter. You press <<Z>>.
Z: brass knuckles, X: gold, and I: cherry. You press <<I>>.
Z: tortellini, X: centrifuge, and I: crane. You press <<Z>>.
Z: mailbox, X: turkey, and I: smoothie. You press <<X>>.
Z: can opener, X: underwear, and I: lab coat. You press <<Z>>.
Z: unicycle, X: toaster oven, and I: pogo stick. You press <<X>>.
Z: sonogram, X: ottoman, and I: comic book. You press <<Z>>.
Z: pear, X: shaving cream, and I: tape measure. You press <<Z>>.
Z: bell pepper, X: wasp, and I: gel. You press <<I>>.
Z: trap, X: splinter, and I: paper bag. You press <<I>>.
Z: tapestry, X: stool, and I: oil. You press <<I>>.
Z: router, X: pencil, and I: trowel. You press <<Z>>.
Z: typewriter, X: crown, and I: bucket. You press <<I>>.
Z: outlet, X: pasta, and I: combination lock. You press <<X>>.
Z: motorcycle, X: appetizer, and I: french fries. You press <<Z>>.
Z: skunk, X: rose, and I: table. You press <<I>>.
Z: inkwell, X: speaker, and I: tongue. You press <<I>>.
Z: boy, X: thumb, and I: letter opener. You press <<I>>.
Z: sim card, X: dumpling, and I: jetski. You press <<X>>.
Z: ready meal, X: scorpion, and I: bedpan. You press <<X>>.
Z: hanger, X: jigsaw puzzle, and I: headrest. You press <<X>>.
Z: boxing gloves, X: bullet, and I: birdbath. You press <<X>>.
Z: sheet, X: applesauce, and I: stained glass. You press <<X>>.
Z: tank, X: chandelier, and I: wooden leg. You press <<X>>.
Z: mullet, X: goalpost, and I: wheelbarrow. You press <<Z>>.
Z: test tube, X: incense, and I: tiger. You press <<I>>.
Z: missile, X: mole, and I: rhubarb. You press <<Z>>.
Z: backdrop, X: airbag, and I: coffee pot. You press <<Z>>.
Z: clipper, X: appetizer, and I: fondue. You press <<Z>>.
Z: sundial, X: possum, and I: cardinal. You press <<Z>>.
Z: washcloth, X: daisy, and I: domino. You press <<X>>.
Z: wine cooler, X: dreidel, and I: polar bear. You press <<I>>.
Z: spacesuit, X: dice, and I: duct. You press <<Z>>.
Z: air pump, X: sofa bed, and I: roadsweeper. You press <<X>>.
Z: mat, X: beehive, and I: chinaware. You press <<I>>.
Z: dog, X: donkey, and I: flower. You press <<I>>.
Z: mast, X: locker, and I: screwdriver. You press <<I>>.
Z: accordion, X: hammer, and I: clay. You press <<I>>.
Z: cannonball, X: collar, and I: headrest. You press <<I>>.
Z: paper towel, X: paperclip, and I: telescope. You press <<Z>>.
Z: poster, X: chive, and I: couch. You press <<I>>.
Z: espresso, X: radar, and I: wick. You press <<X>>.
Z: hanger, X: soccer ball, and I: amplifier. You press <<I>>.
Z: pecan, X: burrito, and I: leggings. You press <<I>>.
Z: windsock, X: urn, and I: apron. You press <<Z>>.
Z: incense, X: magnifier, and I: pantyhose. You press <<X>>.
Z: eagle, X: ravioli, and I: penguin. You press <<X>>.
Z: buckle, X: syringe, and I: kaleidoscope. You press <<I>>.
Z: stethoscope, X: baseball, and I: mustache. You press <<I>>.
Z: silverware, X: branch, and I: costume. You press <<I>>.
Z: mint, X: ostrich, and I: ring. You press <<I>>.
Z: crepe, X: corsage, and I: teepee. You press <<Z>>.
Z: cummerbund, X: toothpaste, and I: diskette. You press <<X>>.
Z: bat, X: bone, and I: broom. You press <<Z>>.
Z: ship, X: towel, and I: backscratcher. You press <<X>>.
Z: buckle, X: flute, and I: train set. You press <<I>>.
Z: anchor, X: telescope, and I: stool. You press <<I>>.
Z: jigsaw puzzle, X: raisin, and I: axe. You press <<Z>>.
Z: screen, X: ice, and I: magnifying glass. You press <<X>>.
Z: shuffleboard, X: stool, and I: shopping cart. You press <<X>>.
Z: ice cube, X: teacup, and I: school bus. You press <<Z>>.
Z: mouth, X: bun, and I: banner. You press <<I>>.
Z: trophy, X: tree trunk, and I: tie. You press <<X>>.
Z: moccasin, X: ham, and I: jersey. You press <<X>>.
Z: doghouse, X: blindfold, and I: fireplace. You press <<X>>.
Z: wire, X: woman, and I: nail. You press <<X>>.
Z: jukebox, X: gramophone, and I: saw. You press <<I>>.
Z: pepper, X: panda, and I: latte. You press <<X>>.
Z: snowshoe, X: macaroni, and I: firewood. You press <<Z>>.
Z: kaleidoscope, X: column, and I: goldfish. You press <<X>>.
Z: mailbox, X: penlight, and I: kale. You press <<I>>.
Z: toilet, X: tab, and I: inkwell. You press <<I>>.
Z: moose, X: bag, and I: loincloth. You press <<X>>.
Z: eye, X: thermometer, and I: hedgehog. You press <<X>>.
Z: hinge, X: kiwi, and I: urinal. You press <<X>>.
Z: batter, X: horn, and I: grinder. You press <<Z>>.
Z: muff, X: compass, and I: sword. You press <<Z>>.
Z: beet, X: slicer, and I: plastic film. You press <<Z>>.
Z: photograph, X: chalkboard, and I: lip balm. You press <<I>>.
Z: camper, X: hamster, and I: cantaloupe. You press <<Z>>.
Z: floss, X: toast, and I: target. You press <<I>>.
Z: cassette, X: pug, and I: pencil. You press <<X>>.
Z: wrist, X: eggbeater, and I: stake. You press <<Z>>.
Z: film, X: tree trunk, and I: axe. You press <<Z>>.
Z: headrest, X: mantle, and I: melon. You press <<I>>.
Z: skateboard, X: pinecone, and I: hot-water bottle. You press <<X>>.