You will be presented with triplets of objects, which will be assigned to the keys Z, I, and A.
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: jumpsuit, I: brick, and A: cow. You press <<I>>.
Z: skeleton, I: puck, and A: folder. You press <<I>>.
Z: gel, I: cape, and A: router. You press <<A>>.
Z: toothpaste, I: horn, and A: tennis ball. You press <<Z>>.
Z: barbed wire, I: milkshake, and A: roller coaster. You press <<Z>>.
Z: backscratcher, I: slingshot, and A: roulette wheel. You press <<Z>>.
Z: slipper, I: stump, and A: pudding. You press <<I>>.
Z: train car, I: sorbet, and A: pump. You press <<I>>.
Z: thumb, I: yarn, and A: computer. You press <<I>>.
Z: painting, I: mulch, and A: centerpiece. You press <<I>>.
Z: sewing machine, I: football, and A: rocking chair. You press <<I>>.
Z: refrigerator, I: corkboard, and A: bamboo. You press <<A>>.
Z: film, I: tuxedo, and A: apple. You press <<A>>.
Z: candle, I: pistachio, and A: flute. You press <<I>>.
Z: juicer, I: nail clippers, and A: cantaloupe. You press <<I>>.
Z: pesto, I: dial, and A: dumbbell. You press <<I>>.
Z: tackle, I: air conditioner, and A: scraper. You press <<I>>.
Z: boa, I: earring, and A: cord. You press <<A>>.
Z: ready meal, I: machete, and A: mouse. You press <<I>>.
Z: counter, I: boulder, and A: rat. You press <<I>>.