You will be presented with triplets of objects, which will be assigned to the keys Z, R, and M.
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: crystal, R: blower, and M: hip. You press <<Z>>.
Z: headlamp, R: cigarette butt, and M: bullet. You press <<M>>.
Z: seed, R: swing set, and M: doily. You press <<R>>.
Z: palm tree, R: slot machine, and M: baton. You press <<M>>.
Z: whip, R: lamb, and M: lip gloss. You press <<M>>.
Z: daisy, R: coral, and M: pocket watch. You press <<M>>.
Z: clover, R: turnstile, and M: hot-air balloon. You press <<R>>.
Z: whipped cream, R: airbag, and M: keyhole. You press <<M>>.
Z: rose, R: radiator, and M: tortellini. You press <<R>>.
Z: ink, R: camcorder, and M: abacus. You press <<R>>.
Z: seismograph, R: bomb, and M: lamp. You press <<M>>.
Z: photograph, R: shell, and M: treasure. You press <<Z>>.
Z: overalls, R: stake, and M: clipper. You press <<Z>>.
Z: baseball, R: fudge, and M: cobra. You press <<R>>.
Z: pomegranate, R: arugula, and M: rose. You press <<M>>.
Z: bison, R: rattle, and M: boot. You press <<M>>.
Z: sandbag, R: shoe polish, and M: plate. You press <<R>>.
Z: film, R: dalmatian, and M: chaps. You press <<R>>.
Z: icicle, R: scaffolding, and M: mousetrap. You press <<M>>.
Z: rock, R: taffy, and M: frog. You press <<R>>.