You will be presented with triplets of objects, which will be assigned to the keys N, C, and B.
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: pogo stick, C: spear, and B: gramophone. You press <<B>>.
N: bookshelf, C: filter, and B: gravel. You press <<B>>.
N: jump rope, C: missile, and B: headdress. You press <<C>>.
N: porthole, C: ticktacktoe, and B: fishbowl. You press <<B>>.
N: grapefruit, C: polaroid, and B: burner. You press <<N>>.
N: furnace, C: cleaver, and B: orange rind. You press <<B>>.
N: face mask, C: honeypot, and B: card. You press <<B>>.
N: tape, C: veil, and B: cassette. You press <<B>>.
N: mantle, C: ice-cream cone, and B: sundae. You press <<N>>.
N: bowler hat, C: keyhole, and B: dog. You press <<B>>.
N: marijuana, C: hose, and B: snack. You press <<C>>.
N: thermometer, C: tuba, and B: fur coat. You press <<B>>.
N: eggnog, C: tostada, and B: dish. You press <<B>>.
N: icemaker, C: finger, and B: loveseat. You press <<C>>.
N: gear, C: helicopter, and B: kettle. You press <<C>>.
N: typewriter, C: rock, and B: clove. You press <<N>>.
N: hubcap, C: grapevine, and B: frame. You press <<C>>.
N: porcupine, C: laser pointer, and B: palette. You press <<N>>.
N: pepper, C: pepper, and B: incubator. You press <<C>>.
N: ping-pong table, C: road sign, and B: jump rope. You press <<C>>.