You will be presented with triplets of objects, which will be assigned to the keys O, D, and B.
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: seed, D: bullet, and B: airboat. You press <<O>>.
O: roulette wheel, D: hearse, and B: tree trunk. You press <<B>>.
O: tent, D: gumdrop, and B: tattoo. You press <<O>>.
O: sequin, D: coral, and B: taillight. You press <<B>>.
O: rattle, D: keyboard, and B: handcuff. You press <<D>>.
O: casserole, D: sprouts, and B: hook. You press <<B>>.
O: trumpet, D: lab coat, and B: cellphone. You press <<D>>.
O: telescope, D: stamp, and B: doormat. You press <<D>>.
O: quilt, D: almond, and B: whipped cream. You press <<O>>.
O: sheath, D: holster, and B: oil. You press <<B>>.
O: hotplate, D: mop, and B: grape. You press <<D>>.
O: lip balm, D: combination lock, and B: hose. You press <<D>>.
O: parking meter, D: baseball, and B: mixer. You press <<B>>.
O: refrigerator, D: file, and B: ribbon. You press <<O>>.
O: boxing gloves, D: saucer, and B: shelf. You press <<O>>.
O: tuning fork, D: ballot box, and B: station wagon. You press <<B>>.
O: icemaker, D: plunger, and B: candelabra. You press <<D>>.
O: bean, D: tackle, and B: turban. You press <<B>>.
O: wine, D: guardrail, and B: flamethrower. You press <<B>>.
O: chipmunk, D: face, and B: landmine. You press <<D>>.