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

O: dolly, P: gramophone, and Z: dynamite. You press <<P>>.
O: skunk, P: arch, and Z: fingerprint. You press <<O>>.
O: knob, P: cleat, and Z: blindfold. You press <<P>>.
O: bead, P: headphones, and Z: trowel. You press <<O>>.
O: sweater, P: thermos, and Z: cracker. You press <<Z>>.
O: apple, P: swordfish, and Z: lens. You press <<Z>>.
O: scuba, P: ironing board, and Z: cuckoo clock. You press <<Z>>.
O: leech, P: bassoon, and Z: checkers. You press <<P>>.
O: pole, P: swizzle stick, and Z: drumstick. You press <<O>>.
O: drum, P: moccasin, and Z: leopard. You press <<O>>.
O: playpen, P: sweet potato, and Z: airplane. You press <<O>>.
O: garbage truck, P: water bottle, and Z: unicycle. You press <<O>>.
O: odometer, P: dumbbell, and Z: jetski. You press <<P>>.
O: nacho, P: rocket, and Z: margarita. You press <<P>>.
O: coral, P: jewel, and Z: ice-cream cone. You press <<P>>.
O: radish, P: walnut, and Z: donkey. You press <<Z>>.
O: dustpan, P: snowmobile, and Z: carriage. You press <<O>>.
O: fingerprint, P: skunk, and Z: arch. You press <<P>>.
O: antelope, P: snail, and Z: toilet. You press <<Z>>.
O: tricycle, P: switch, and Z: mat. You press <<Z>>.
O: traffic light, P: penholder, and Z: sidecar. You press <<P>>.
O: grapefruit, P: vulture, and Z: polisher. You press <<O>>.
O: seismograph, P: candlestick, and Z: mistletoe. You press <<O>>.
O: diving board, P: turbine, and Z: wok. You press <<O>>.
O: turban, P: amber, and Z: cleaver. You press <<Z>>.
O: train, P: horseshoe, and Z: cheetah. You press <<Z>>.
O: spout, P: chute, and Z: safety pin. You press <<Z>>.
O: beaver, P: hedge, and Z: muff. You press <<P>>.
O: olive, P: scoreboard, and Z: pitchfork. You press <<O>>.
O: pantyhose, P: seaweed, and Z: mosquito net. You press <<P>>.
O: kangaroo, P: pedometer, and Z: birdhouse. You press <<P>>.
O: insole, P: curtain, and Z: keyhole. You press <<O>>.
O: coyote, P: valve, and Z: pocket. You press <<Z>>.
O: tinsel, P: sauce, and Z: magnifier. You press <<O>>.
O: popcorn, P: parking meter, and Z: ravioli. You press <<P>>.
O: aluminum foil, P: bin, and Z: comb. You press <<O>>.
O: fishbowl, P: eggbeater, and Z: landmine. You press <<O>>.
O: file, P: tortilla, and Z: stump. You press <<P>>.
O: paint, P: rake, and Z: bat. You press <<Z>>.
O: seismograph, P: mistletoe, and Z: candlestick. You press <<O>>.
O: cherry, P: pepper, and Z: roulette wheel. You press <<P>>.
O: coal, P: scaffolding, and Z: fireplace. You press <<Z>>.
O: pom-pom, P: quiche, and Z: flyswatter. You press <<O>>.
O: lettuce, P: lipstick, and Z: polisher. You press <<O>>.
O: plunger, P: spout, and Z: saw. You press <<P>>.
O: seismograph, P: flypaper, and Z: playpen. You press <<Z>>.
O: recliner, P: joystick, and Z: cushion. You press <<P>>.
O: raspberry, P: mullet, and Z: armor. You press <<O>>.
O: coffee bean, P: bologna, and Z: paddle. You press <<Z>>.
O: skewer, P: snowball, and Z: pin. You press <<P>>.
O: waterwheel, P: chime, and Z: mascara. You press <<Z>>.
O: eyepiece, P: swimming pool, and Z: stuffing. You press <<Z>>.
O: porthole, P: tennis ball, and Z: gun. You press <<Z>>.
O: yogurt, P: bagpipe, and Z: paper plate. You press <<P>>.
O: tuba, P: snowshoe, and Z: daisy. You press <<O>>.
O: finger, P: apple, and Z: corkboard. You press <<P>>.
O: hot-air balloon, P: holster, and Z: tinsel. You press <<P>>.
O: rearview mirror, P: stilt, and Z: pretzel. You press <<Z>>.
O: pom-pom, P: flyswatter, and Z: quiche. You press <<Z>>.
O: boa, P: lettuce, and Z: lamp. You press <<P>>.
O: kimono, P: cougar, and Z: thimble. You press <<P>>.
O: calculator, P: spareribs, and Z: licorice. You press <<O>>.
O: mallet, P: fuse, and Z: palm tree. You press <<Z>>.
O: fruit, P: bison, and Z: baby. You press <<Z>>.
O: shower curtain, P: mouse, and Z: polisher. You press <<P>>.
O: donkey, P: pea, and Z: shelf. You press <<P>>.
O: scoop, P: streetlight, and Z: dip. You press <<Z>>.
O: chain, P: mango, and Z: cornmeal. You press <<O>>.
O: spareribs, P: doghouse, and Z: stir fry. You press <<P>>.
O: peppermint, P: water fountain, and Z: breathalyzer. You press <<O>>.
O: boxer shorts, P: rack, and Z: grape. You press <<Z>>.
O: pinecone, P: caramel, and Z: coffee filter. You press <<O>>.
O: spark plug, P: shower, and Z: hubcap. You press <<P>>.
O: rollerblade, P: flypaper, and Z: oar. You press <<P>>.
O: tamale, P: cushion, and Z: razor blade. You press <<O>>.
O: cockroach, P: scooter, and Z: shutter. You press <<O>>.
O: antelope, P: wafer, and Z: smoothie. You press <<O>>.
O: jumpsuit, P: cassette, and Z: aluminum foil. You press <<Z>>.
O: boar, P: berry, and Z: dagger. You press <<P>>.
O: margarita, P: medal, and Z: gutter. You press <<O>>.