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

N: cardinal, R: medal, and G: car door. You press <<G>>.
N: piggy bank, R: cordon bleu, and G: duckling. You press <<G>>.
N: trap, R: peanut, and G: whistle. You press <<G>>.
N: dial, R: patch, and G: sand. You press <<G>>.
N: safety pin, R: dirt bike, and G: cross. You press <<G>>.
N: extinguisher, R: nacho, and G: papaya. You press <<N>>.
N: letter opener, R: pitchfork, and G: goblet. You press <<R>>.
N: silverware, R: scorpion, and G: barnacle. You press <<N>>.
N: coffee bean, R: raincoat, and G: shoulder. You press <<N>>.
N: mirror, R: eye patch, and G: volleyball. You press <<G>>.
N: projector, R: scissors, and G: bench. You press <<G>>.
N: footbath, R: urinal, and G: cork. You press <<G>>.
N: backdrop, R: earring, and G: sunglasses. You press <<N>>.
N: pecan, R: power line, and G: test tube. You press <<R>>.
N: license plate, R: pita, and G: ear. You press <<R>>.
N: trap, R: lizard, and G: branch. You press <<G>>.
N: swizzle stick, R: jug, and G: cucumber. You press <<G>>.
N: urn, R: fire alarm, and G: turnstile. You press <<N>>.
N: paper bag, R: blouse, and G: wrapping paper. You press <<R>>.
N: shoe polish, R: squash, and G: cane. You press <<R>>.