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

R: cutting board, X: lamp, and W: chessboard. You press <<W>>.
R: badger, X: snowman, and W: hearing aid. You press <<W>>.
R: helmet, X: doorstop, and W: snow. You press <<X>>.
R: seaplane, X: aluminum foil, and W: baseball. You press <<W>>.
R: bat, X: cart, and W: magnet. You press <<R>>.
R: tuxedo, X: pickle, and W: dogfood. You press <<R>>.
R: fly, X: match, and W: box. You press <<W>>.
R: pulley, X: cape, and W: scale. You press <<X>>.
R: punching bag, X: bunkbed, and W: necklace. You press <<X>>.
R: snowmobile, X: fuse, and W: lab coat. You press <<W>>.
R: seatbelt, X: beaker, and W: hairbrush. You press <<R>>.
R: swimsuit, X: cup, and W: scoreboard. You press <<X>>.
R: ashtray, X: police car, and W: noodle. You press <<X>>.
R: scissors, X: poinsettia, and W: ball. You press <<R>>.
R: makeup, X: card, and W: cutting board. You press <<W>>.
R: caterpillar, X: painting, and W: cantaloupe. You press <<X>>.
R: metronome, X: dagger, and W: air conditioner. You press <<X>>.
R: cat, X: hairdryer, and W: stained glass. You press <<X>>.
R: trumpet, X: icemaker, and W: clock. You press <<R>>.
R: coffee table, X: maggot, and W: eyeliner. You press <<X>>.