You will be presented with triplets of objects, which will be assigned to the keys Z, W, and Q.
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: ice cube, W: clock, and Q: clove. You press <<W>>.
Z: hummus, W: earwig, and Q: christmas tree. You press <<W>>.
Z: watermelon, W: terrarium, and Q: mulch. You press <<Z>>.
Z: cork, W: trapdoor, and Q: crumb. You press <<Q>>.
Z: tack, W: tulip, and Q: icepick. You press <<W>>.
Z: bird, W: marijuana, and Q: bongo. You press <<Q>>.
Z: bracelet, W: sewing machine, and Q: toothbrush. You press <<Q>>.
Z: crystal, W: card, and Q: bouquet. You press <<Q>>.
Z: bush, W: vacuum, and Q: cage. You press <<W>>.
Z: blender, W: possum, and Q: buckle. You press <<W>>.
Z: tattoo, W: red carpet, and Q: water bottle. You press <<Q>>.
Z: gyro, W: nail clippers, and Q: coal. You press <<W>>.
Z: sardine, W: vest, and Q: airplane. You press <<Z>>.
Z: gorilla, W: headset, and Q: chess piece. You press <<W>>.
Z: catfish, W: groundhog, and Q: spear. You press <<Q>>.
Z: payphone, W: sandwich, and Q: basil. You press <<Z>>.
Z: reel, W: robot, and Q: bathtub. You press <<Q>>.
Z: yo-yo, W: gravel, and Q: pocketknife. You press <<W>>.
Z: rolling pin, W: shopping basket, and Q: bassoon. You press <<Q>>.
Z: marker, W: shrimp, and Q: jump rope. You press <<W>>.