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

D: scrabble, Z: modem, and X: switch. You press <<D>>.
D: cockatoo, Z: saddle, and X: lipstick. You press <<X>>.
D: chipmunk, Z: overalls, and X: piggy bank. You press <<Z>>.
D: orange, Z: headlight, and X: waterwheel. You press <<D>>.
D: eggplant, Z: veil, and X: groundhog. You press <<Z>>.
D: hoe, Z: cleat, and X: scaffold. You press <<D>>.
D: odometer, Z: washboard, and X: cross. You press <<D>>.
D: book, Z: grate, and X: crow. You press <<X>>.
D: oatmeal, Z: guardrail, and X: strap. You press <<D>>.
D: easter egg, Z: rose, and X: ladder. You press <<X>>.
D: lens, Z: lampshade, and X: jeep. You press <<Z>>.
D: sweet potato, Z: shower curtain, and X: blower. You press <<D>>.
D: blowgun, Z: wine, and X: leopard. You press <<Z>>.
D: ratchet, Z: scoop, and X: cage. You press <<X>>.
D: bok choy, Z: scorpion, and X: eyepiece. You press <<D>>.
D: eye patch, Z: aloe, and X: cornbread. You press <<D>>.
D: kazoo, Z: candy cane, and X: mat. You press <<Z>>.
D: avocado, Z: bathtub, and X: fruitcake. You press <<Z>>.
D: raft, Z: kimono, and X: cordon bleu. You press <<X>>.
D: bonsai, Z: juicer, and X: cardigan. You press <<D>>.