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

P: cake mix, A: bazooka, and D: graffiti. You press <<P>>.
P: knot, A: brass knuckles, and D: flagpole. You press <<A>>.
P: hovercraft, A: streetlight, and D: penlight. You press <<A>>.
P: giraffe, A: cream, and D: spark plug. You press <<D>>.
P: gutter, A: maple syrup, and D: corkscrew. You press <<A>>.
P: cookie sheet, A: duffel bag, and D: forklift. You press <<A>>.
P: lock, A: microwave, and D: train. You press <<A>>.
P: cork, A: squirt gun, and D: casserole. You press <<A>>.
P: mailbox, A: amplifier, and D: yarn. You press <<A>>.
P: ramp, A: snowsuit, and D: barcode. You press <<P>>.
P: photo booth, A: screen, and D: scalpel. You press <<D>>.
P: shutter, A: ant, and D: oil. You press <<P>>.
P: stair, A: plunger, and D: file. You press <<A>>.
P: rake, A: roulette wheel, and D: potholder. You press <<P>>.
P: tomato sauce, A: clove, and D: tadpole. You press <<A>>.
P: harness, A: tractor, and D: javelin. You press <<A>>.
P: gyro, A: bok choy, and D: razor. You press <<D>>.
P: steak, A: baton, and D: punch. You press <<A>>.
P: streetlight, A: penlight, and D: hovercraft. You press <<P>>.
P: acorn, A: coil, and D: modem. You press <<P>>.