You will be presented with triplets of objects, which will be assigned to the keys B, P, and D.
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.

B: tapestry, P: tambourine, and D: cash machine. You press <<D>>.
B: ring, P: thumbtack, and D: flashbulb. You press <<P>>.
B: axe, P: gazelle, and D: stake. You press <<P>>.
B: sweet potato, P: jewel, and D: cage. You press <<P>>.
B: croissant, P: tupperware, and D: tube top. You press <<D>>.
B: eggshell, P: shutter, and D: silverware. You press <<P>>.
B: wine, P: marmalade, and D: home plate. You press <<D>>.
B: tricycle, P: chimney, and D: needle. You press <<P>>.
B: barbell, P: lid, and D: walnut. You press <<B>>.
B: cactus, P: bear, and D: headrest. You press <<D>>.
B: checkers, P: trailer, and D: yacht. You press <<B>>.
B: sheep, P: hip, and D: train set. You press <<D>>.
B: coaster, P: electric chair, and D: fudge. You press <<P>>.
B: siren, P: gopher, and D: mustard. You press <<D>>.
B: shoulder, P: saw, and D: sprinkler. You press <<B>>.
B: pacifier, P: beer, and D: mulch. You press <<B>>.
B: ice pack, P: doormat, and D: scanner. You press <<P>>.
B: backgammon, P: grape, and D: rickshaw. You press <<P>>.
B: chickpea, P: margarita, and D: plaster cast. You press <<D>>.
B: matchbox, P: gorilla, and D: earring. You press <<D>>.