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

M: torch, N: gauge, and Z: backgammon. You press <<N>>.
M: casserole, N: skin, and Z: grapefruit. You press <<N>>.
M: electric chair, N: tostada, and Z: stapler. You press <<N>>.
M: crab, N: cape, and Z: uniform. You press <<M>>.
M: artichoke, N: meat grinder, and Z: juicer. You press <<M>>.
M: nightshirt, N: eggbeater, and Z: melon. You press <<M>>.
M: wolf, N: credit card, and Z: xylophone. You press <<Z>>.
M: petri dish, N: gazelle, and Z: pear. You press <<M>>.
M: fan, N: sequin, and Z: tape measure. You press <<Z>>.
M: flan, N: home plate, and Z: iron. You press <<N>>.
M: kimono, N: bulldozer, and Z: wreath. You press <<N>>.
M: music box, N: whipped cream, and Z: scrambled egg. You press <<M>>.
M: leg, N: towel, and Z: fire hydrant. You press <<Z>>.
M: dress, N: missile, and Z: hedgehog. You press <<M>>.
M: scallion, N: filing cabinet, and Z: furnace. You press <<M>>.
M: tractor, N: melon, and Z: camel. You press <<N>>.
M: knob, N: teapot, and Z: bell pepper. You press <<Z>>.
M: puddle, N: saddle, and Z: crepe. You press <<M>>.
M: rattle, N: honey, and Z: armor. You press <<N>>.
M: grain, N: rack, and Z: washing machine. You press <<M>>.