You will be presented with triplets of objects, which will be assigned to the keys N, O, and H.
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: cushion, O: train, and H: treasure. You press <<O>>.
N: bottle opener, O: cockatoo, and H: lectern. You press <<O>>.
N: spatula, O: elephant, and H: brownie. You press <<O>>.
N: barbell, O: dial, and H: missile. You press <<N>>.
N: squirt gun, O: shrimp, and H: calamari. You press <<N>>.
N: comb, O: rust, and H: oyster. You press <<O>>.
N: porthole, O: cloak, and H: headdress. You press <<N>>.
N: hummus, O: snowshoe, and H: door. You press <<N>>.
N: handlebar, O: pedometer, and H: swing set. You press <<O>>.
N: cream, O: cherry, and H: gyroscope. You press <<H>>.
N: rose, O: bathrobe, and H: wheat. You press <<O>>.
N: metronome, O: buoy, and H: credit card. You press <<H>>.
N: air mattress, O: payphone, and H: ballot box. You press <<N>>.
N: sand, O: hoodie, and H: fern. You press <<O>>.
N: air conditioner, O: cymbal, and H: test tube. You press <<H>>.
N: flag, O: baton, and H: raccoon. You press <<O>>.
N: nightstand, O: bedpost, and H: trapdoor. You press <<H>>.
N: ferris wheel, O: wreath, and H: tumbleweed. You press <<O>>.
N: truck, O: wheelbarrow, and H: lunchbox. You press <<H>>.
N: satellite dish, O: swab, and H: celery. You press <<N>>.