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

P: racehorse, N: tiara, and Z: calamari. You press <<P>>.
P: coffee pot, N: slicer, and Z: music box. You press <<Z>>.
P: glove, N: battery, and Z: peach. You press <<N>>.
P: string cheese, N: handcuff, and Z: dishwasher. You press <<N>>.
P: golf cart, N: binoculars, and Z: stamp. You press <<Z>>.
P: bumper, N: butterfly, and Z: cornhusk. You press <<P>>.
P: garlic, N: funnel, and Z: ankle. You press <<N>>.
P: turntable, N: tooth, and Z: fly. You press <<N>>.
P: okra, N: knee, and Z: car door. You press <<Z>>.
P: bench, N: tiger, and Z: slipper. You press <<N>>.
P: tile, N: clam, and Z: cardboard. You press <<N>>.
P: defibrillator, N: air pump, and Z: chime. You press <<N>>.
P: raft, N: cruise ship, and Z: weasel. You press <<Z>>.
P: jelly bean, N: octopus, and Z: catapult. You press <<P>>.
P: lantern, N: stalagmite, and Z: fox. You press <<Z>>.
P: butterfly, N: charger, and Z: chin. You press <<N>>.
P: checkbook, N: shovel, and Z: penguin. You press <<P>>.
P: pocketknife, N: safety pin, and Z: holster. You press <<Z>>.
P: sand, N: pennant, and Z: cupcake. You press <<N>>.
P: bologna, N: dalmatian, and Z: eclair. You press <<N>>.