You will be presented with triplets of objects, which will be assigned to the keys A, R, and O.
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.

A: ear, R: bolo tie, and O: cheesecake. You press <<O>>.
A: cash register, R: sardine, and O: sock. You press <<R>>.
A: pomegranate, R: keg, and O: stem. You press <<R>>.
A: tattoo, R: whiteboard, and O: wind chimes. You press <<R>>.
A: scoreboard, R: giraffe, and O: bulletproof vest. You press <<A>>.
A: goalpost, R: monkey, and O: radio. You press <<R>>.
A: kazoo, R: tick, and O: hard disk. You press <<R>>.
A: tuba, R: mustache, and O: screen. You press <<R>>.
A: compost, R: mousse, and O: tube top. You press <<A>>.
A: wind chimes, R: boomerang, and O: bedpost. You press <<O>>.
A: lego, R: dogfood, and O: clipper. You press <<R>>.
A: whoopee cushion, R: tongs, and O: sword. You press <<A>>.
A: penlight, R: scoreboard, and O: ski lift. You press <<A>>.
A: beanie, R: ice pack, and O: car. You press <<O>>.
A: rooster, R: outlet, and O: green beans. You press <<R>>.
A: polaroid, R: gutter, and O: magnifying glass. You press <<R>>.
A: bark, R: whoopee cushion, and O: rifle. You press <<R>>.
A: scoreboard, R: cage, and O: tongue. You press <<O>>.
A: stem, R: keg, and O: pomegranate. You press <<R>>.
A: crab, R: mousse, and O: oil. You press <<A>>.