You will be presented with triplets of objects, which will be assigned to the keys Z, I, and R.
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: chocolate, I: arm, and R: oven. You press <<I>>.
Z: crayfish, I: chariot, and R: lip gloss. You press <<Z>>.
Z: trophy, I: crank, and R: snowsuit. You press <<R>>.
Z: hot chocolate, I: taco, and R: cash machine. You press <<R>>.
Z: dalmatian, I: cranberry, and R: beanbag. You press <<I>>.
Z: watermelon, I: scrambled egg, and R: milk. You press <<R>>.
Z: photograph, I: bungee, and R: toucan. You press <<I>>.
Z: amplifier, I: power line, and R: stalagmite. You press <<R>>.
Z: toucan, I: hovercraft, and R: go-kart. You press <<Z>>.
Z: glove, I: duck, and R: mouse. You press <<Z>>.
Z: board game, I: dish, and R: baseball. You press <<I>>.
Z: macadamia, I: pole, and R: seaplane. You press <<Z>>.
Z: gingerbread man, I: silicone, and R: fossil. You press <<I>>.
Z: whip, I: urinal, and R: bus. You press <<Z>>.
Z: blindfold, I: bedpost, and R: potholder. You press <<R>>.
Z: tripod, I: coffee bean, and R: cement mixer. You press <<Z>>.
Z: drawer, I: dogfood, and R: airbag. You press <<I>>.
Z: hairnet, I: potato, and R: marijuana. You press <<R>>.
Z: wheelchair, I: meat, and R: wick. You press <<I>>.
Z: goat, I: boot, and R: coffee table. You press <<R>>.