You will be presented with triplets of objects, which will be assigned to the keys N, Y, and X.
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: cockroach, Y: space shuttle, and X: turtleneck. You press <<N>>.
N: straightjacket, Y: knot, and X: lavender. You press <<X>>.
N: plum, Y: backgammon, and X: wire. You press <<Y>>.
N: box, Y: meerkat, and X: nightstand. You press <<Y>>.
N: orange rind, Y: patty, and X: gong. You press <<N>>.
N: shaker, Y: safety pin, and X: motherboard. You press <<X>>.
N: roller coaster, Y: corset, and X: stockings. You press <<N>>.
N: wagon, Y: swan, and X: sparkler. You press <<Y>>.
N: silicone, Y: bedpost, and X: cornbread. You press <<X>>.
N: chin, Y: antelope, and X: blinder. You press <<N>>.
N: peacock, Y: locker, and X: puffin. You press <<Y>>.
N: seaplane, Y: cruise ship, and X: piecrust. You press <<X>>.
N: frame, Y: eggplant, and X: chimney. You press <<Y>>.
N: skunk, Y: flipper, and X: catapult. You press <<N>>.
N: lanyard, Y: polar bear, and X: pony. You press <<N>>.
N: wreck, Y: bolo tie, and X: vulture. You press <<Y>>.
N: mango, Y: tapestry, and X: helmet. You press <<N>>.
N: gate, Y: gingerbread man, and X: crown. You press <<Y>>.
N: lamb chop, Y: bra, and X: coconut. You press <<Y>>.
N: mug, Y: sunflower, and X: plaster cast. You press <<Y>>.