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

N: coat, I: bowler hat, and D: marmalade. You press <<D>>.
N: seatbelt, I: swimsuit, and D: barbed wire. You press <<I>>.
N: ram, I: plunger, and D: dreidel. You press <<N>>.
N: maggot, I: plastic film, and D: spool. You press <<N>>.
N: boxing gloves, I: football helmet, and D: lunchbox. You press <<D>>.
N: contact lens, I: lens, and D: goat. You press <<D>>.
N: oyster, I: grasshopper, and D: jug. You press <<D>>.
N: brace, I: guacamole, and D: bug. You press <<N>>.
N: leaf, I: tiger, and D: lock. You press <<D>>.
N: test tube, I: loom, and D: sarcophagus. You press <<N>>.
N: mask, I: padlock, and D: sweater. You press <<N>>.
N: antenna, I: headscarf, and D: sausage. You press <<D>>.
N: tiara, I: bush, and D: boulder. You press <<N>>.
N: navel, I: rice, and D: soda fountain. You press <<N>>.
N: catfish, I: necklace, and D: snowboard. You press <<N>>.
N: mustache, I: collar, and D: diving board. You press <<N>>.
N: radar, I: machine gun, and D: pomegranate. You press <<N>>.
N: totem pole, I: antelope, and D: dirt bike. You press <<I>>.
N: letter opener, I: shovel, and D: squid. You press <<N>>.
N: sunglasses, I: plug, and D: string cheese. You press <<D>>.