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

N: blowgun, U: finger, and Z: solar panel. You press <<Z>>.
N: sledgehammer, U: aircraft carrier, and Z: clover. You press <<Z>>.
N: eyeliner, U: rim, and Z: penholder. You press <<N>>.
N: punch, U: xylophone, and Z: beaker. You press <<U>>.
N: dish, U: vase, and Z: raft. You press <<Z>>.
N: waffle, U: snowboard, and Z: mousepad. You press <<N>>.
N: sundial, U: polar bear, and Z: webcam. You press <<U>>.
N: pocketknife, U: flashlight, and Z: thumb. You press <<Z>>.
N: vegetable, U: card, and Z: chest. You press <<N>>.
N: snowball, U: lego, and Z: stew. You press <<U>>.
N: frisbee, U: mirror, and Z: spider web. You press <<U>>.
N: peg, U: shelf, and Z: pancake. You press <<Z>>.
N: mantle, U: dragonfly, and Z: blowgun. You press <<N>>.
N: trampoline, U: bracelet, and Z: treadmill. You press <<U>>.
N: crystal, U: mustard, and Z: alligator. You press <<Z>>.
N: cable, U: bowling ball, and Z: headrest. You press <<Z>>.
N: gondola, U: sweet potato, and Z: canvas. You press <<U>>.
N: flip flop, U: noose, and Z: breadstick. You press <<Z>>.
N: doorhandle, U: handlebar, and Z: lemonade. You press <<Z>>.
N: manatee, U: fungus, and Z: stingray. You press <<U>>.