You will be presented with triplets of objects, which will be assigned to the keys Z, K, and G.
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: revolver, K: mold, and G: gearshift. You press <<K>>.
Z: possum, K: watermelon, and G: hammock. You press <<Z>>.
Z: glasses, K: polar bear, and G: buffet. You press <<K>>.
Z: goat, K: seesaw, and G: guillotine. You press <<Z>>.
Z: palm tree, K: piecrust, and G: latte. You press <<Z>>.
Z: machete, K: reindeer, and G: quill. You press <<K>>.
Z: sandpaper, K: mold, and G: modem. You press <<G>>.
Z: key, K: underwear, and G: toothbrush. You press <<K>>.
Z: nightshirt, K: fern, and G: cloud. You press <<Z>>.
Z: hook, K: puffin, and G: pickle. You press <<G>>.
Z: solar panel, K: tadpole, and G: sea urchin. You press <<Z>>.
Z: baseball, K: cordon bleu, and G: camper. You press <<K>>.
Z: bell, K: backdrop, and G: stair. You press <<Z>>.
Z: recliner, K: ice cream, and G: pie. You press <<Z>>.
Z: buggy, K: hose, and G: tank. You press <<Z>>.
Z: coffee filter, K: moth, and G: oyster. You press <<K>>.
Z: fingerprint, K: garbage truck, and G: blanket. You press <<K>>.
Z: lion, K: sandcastle, and G: ostrich. You press <<K>>.
Z: trough, K: plaster cast, and G: record. You press <<G>>.
Z: fishbowl, K: batter, and G: blindfold. You press <<K>>.
Z: incubator, K: periscope, and G: pancake. You press <<G>>.
Z: school bus, K: wax paper, and G: taillight. You press <<K>>.
Z: credit card, K: printer, and G: prism. You press <<Z>>.
Z: potpie, K: jam, and G: buggy. You press <<G>>.
Z: bandanna, K: whistle, and G: water heater. You press <<Z>>.
Z: giraffe, K: cracker, and G: donut. You press <<Z>>.
Z: harness, K: confetti, and G: maggot. You press <<Z>>.
Z: shutter, K: handcuff, and G: pizza. You press <<G>>.
Z: sandal, K: hinge, and G: roller. You press <<Z>>.
Z: zebra, K: button, and G: scoreboard. You press <<Z>>.
Z: tupperware, K: windowsill, and G: headscarf. You press <<G>>.
Z: walrus, K: boy, and G: canvas. You press <<Z>>.
Z: punch, K: drain, and G: furnace. You press <<Z>>.
Z: string cheese, K: sheath, and G: caviar. You press <<K>>.
Z: fountain pen, K: chair, and G: slingshot. You press <<G>>.
Z: gumball, K: boar, and G: basketball. You press <<K>>.
Z: raft, K: knife, and G: stamp. You press <<K>>.
Z: gasket, K: railing, and G: magnet. You press <<G>>.
Z: seismograph, K: hammer, and G: minivan. You press <<G>>.
Z: pepper, K: chips, and G: hyena. You press <<G>>.