You will be presented with triplets of objects, which will be assigned to the keys P, D, and K.
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.

P: box, D: caterpillar, and K: chicken. You press <<P>>.
P: computer, D: speedometer, and K: trombone. You press <<K>>.
P: squash, D: torpedo, and K: mashed potato. You press <<D>>.
P: rice, D: oar, and K: doll. You press <<D>>.
P: airboat, D: iron, and K: sandcastle. You press <<K>>.
P: pomegranate, D: hyena, and K: pigeon. You press <<P>>.
P: funnel, D: ski pole, and K: centerpiece. You press <<K>>.
P: camera, D: helicopter, and K: pineapple. You press <<K>>.
P: humvee, D: bell pepper, and K: exhaust pipe. You press <<D>>.
P: eyeliner, D: fireworks, and K: chickpea. You press <<K>>.
P: lava, D: loom, and K: aluminum foil. You press <<P>>.
P: ravioli, D: modem, and K: earring. You press <<P>>.
P: chin, D: sauerkraut, and K: spaghetti. You press <<P>>.
P: scooter, D: straw, and K: powder. You press <<P>>.
P: bat, D: vacuum, and K: oil. You press <<P>>.
P: candelabra, D: shutter, and K: wind chimes. You press <<D>>.
P: eagle, D: flip flop, and K: cockatoo. You press <<D>>.
P: rhubarb, D: bagel, and K: shoe polish. You press <<K>>.
P: megaphone, D: camcorder, and K: napkin. You press <<K>>.
P: ice-cream cone, D: pickax, and K: garter. You press <<P>>.