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

A: board game, Z: poppy, and P: handprint. You press <<A>>.
A: skateboard, Z: woman, and P: flip flop. You press <<A>>.
A: box, Z: rudder, and P: marmalade. You press <<Z>>.
A: chisel, Z: accordion, and P: binder. You press <<A>>.
A: brush, Z: refrigerator, and P: meatball. You press <<A>>.
A: cockroach, Z: soup, and P: violin. You press <<Z>>.
A: raincoat, Z: snowman, and P: acorn. You press <<A>>.
A: retainer, Z: robot, and P: coffee bean. You press <<P>>.
A: nail polish, Z: toilet paper, and P: can opener. You press <<P>>.
A: air pump, Z: bug, and P: dartboard. You press <<Z>>.
A: ladybug, Z: roller coaster, and P: sprinkler. You press <<P>>.
A: mouthpiece, Z: petri dish, and P: mulberry. You press <<Z>>.
A: anvil, Z: shears, and P: vent. You press <<Z>>.
A: drawer, Z: spring roll, and P: harness. You press <<P>>.
A: record player, Z: saucer, and P: giraffe. You press <<P>>.
A: rocking chair, Z: lid, and P: porthole. You press <<A>>.
A: steamroller, Z: aluminum foil, and P: donkey. You press <<Z>>.
A: tomato sauce, Z: top hat, and P: lens. You press <<P>>.
A: handprint, Z: board game, and P: poppy. You press <<Z>>.
A: anchor, Z: couch, and P: raisin. You press <<A>>.