You will be presented with triplets of objects, which will be assigned to the keys N, A, and I.
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: diskette, A: furnace, and I: shutter. You press <<N>>.
N: copier, A: dishwashing liquid, and I: pet food. You press <<I>>.
N: lime, A: hubcap, and I: filing cabinet. You press <<N>>.
N: peanut butter, A: cookie sheet, and I: porcupine. You press <<A>>.
N: drink, A: cockroach, and I: lamb chop. You press <<A>>.
N: patch, A: photo booth, and I: silicone. You press <<I>>.
N: jellyfish, A: canvas, and I: skateboard. You press <<I>>.
N: axe, A: butterfly, and I: steamroller. You press <<A>>.
N: strawberry, A: lens, and I: bunkbed. You press <<N>>.
N: piggy bank, A: rose, and I: boxing gloves. You press <<I>>.
N: cufflink, A: seagull, and I: wheel. You press <<A>>.
N: walnut, A: bow, and I: lantern. You press <<A>>.
N: fire, A: couch, and I: shredder. You press <<I>>.
N: slipper, A: boat, and I: silicone. You press <<N>>.
N: screen, A: train car, and I: sloth. You press <<A>>.
N: chickpea, A: butterfly, and I: dashboard. You press <<I>>.
N: trapdoor, A: doorstop, and I: top hat. You press <<I>>.
N: scissors, A: flask, and I: box. You press <<A>>.
N: noose, A: sardine, and I: bunkbed. You press <<I>>.
N: file, A: measuring cup, and I: nail. You press <<A>>.