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

U: kebab, Z: zucchini, and C: sewing machine. You press <<C>>.
U: barbed wire, Z: marshmallow, and C: espresso. You press <<U>>.
U: counter, Z: walker, and C: gyroscope. You press <<U>>.
U: barbed wire, Z: mailbox, and C: gasket. You press <<C>>.
U: coop, Z: steak, and C: splinter. You press <<Z>>.
U: curling iron, Z: typewriter, and C: turban. You press <<Z>>.
U: puddle, Z: rocket, and C: rock. You press <<Z>>.
U: sofa bed, Z: whipped cream, and C: tuba. You press <<C>>.
U: crab, Z: whip, and C: fishnet stockings. You press <<Z>>.
U: bark, Z: goggles, and C: cord. You press <<U>>.
U: blindfold, Z: water bottle, and C: place mat. You press <<Z>>.
U: artichoke, Z: metronome, and C: clay. You press <<U>>.
U: beard, Z: toothpick, and C: funnel. You press <<U>>.
U: christmas card, Z: playing card, and C: doorknocker. You press <<C>>.
U: pasta, Z: trowel, and C: shrimp. You press <<Z>>.
U: bedpan, Z: scrabble, and C: leggings. You press <<Z>>.
U: detonator, Z: vacuum, and C: pineapple. You press <<C>>.
U: broom, Z: sandbox, and C: roadsweeper. You press <<Z>>.
U: banana peel, Z: kilt, and C: boar. You press <<U>>.
U: grasshopper, Z: pheasant, and C: gyroscope. You press <<C>>.