You will be presented with triplets of objects, which will be assigned to the keys Z, M, and Y.
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: stair, M: tank, and Y: spareribs. You press <<Y>>.
Z: flamingo, M: stump, and Y: balance beam. You press <<Y>>.
Z: spring roll, M: bin, and Y: snowshoe. You press <<Y>>.
Z: tree, M: kilt, and Y: measuring cup. You press <<Y>>.
Z: bolo tie, M: nutcracker, and Y: spam. You press <<M>>.
Z: backpack, M: motorcycle, and Y: scooter. You press <<Z>>.
Z: gem, M: petri dish, and Y: sheep. You press <<Y>>.
Z: chair, M: breakfast, and Y: shell. You press <<Y>>.
Z: ruler, M: refrigerator, and Y: cigar. You press <<Y>>.
Z: album, M: container, and Y: revolving door. You press <<Y>>.
Z: chick, M: jewelry, and Y: bubble. You press <<M>>.
Z: poodle, M: teacup, and Y: hyena. You press <<M>>.
Z: mustard, M: jeep, and Y: snake. You press <<Z>>.
Z: coffee, M: duct, and Y: chickpea. You press <<M>>.
Z: rabbit, M: cigarette, and Y: mustard. You press <<M>>.
Z: dumbwaiter, M: chariot, and Y: spider. You press <<Y>>.
Z: puffin, M: breadbox, and Y: ravioli. You press <<Z>>.
Z: treadmill, M: barbell, and Y: eel. You press <<Y>>.
Z: noisemaker, M: payphone, and Y: board game. You press <<M>>.
Z: arugula, M: steering wheel, and Y: anklet. You press <<M>>.