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

F: chalice, P: microphone, and S: hearing aid. You press <<F>>.
F: cardboard, P: margarita, and S: pot. You press <<F>>.
F: sofa bed, P: antenna, and S: trough. You press <<P>>.
F: granite, P: sauce, and S: roll. You press <<F>>.
F: closet, P: bike, and S: tie. You press <<P>>.
F: fire pit, P: baton, and S: penholder. You press <<P>>.
F: drain, P: diaper, and S: bottle. You press <<S>>.
F: router, P: bagel, and S: file. You press <<P>>.
F: soda, P: leg, and S: shoe. You press <<F>>.
F: fast food, P: hovercraft, and S: manhole. You press <<F>>.
F: seaplane, P: meatball, and S: gravestone. You press <<P>>.
F: garbage, P: trashcan, and S: wheelbarrow. You press <<S>>.
F: starfish, P: showerhead, and S: water cooler. You press <<F>>.
F: pogo stick, P: bottle opener, and S: chinchilla. You press <<S>>.
F: chipmunk, P: cigarette, and S: ratchet. You press <<F>>.
F: wine, P: spacesuit, and S: sprouts. You press <<P>>.
F: flashlight, P: breakfast, and S: tackle. You press <<P>>.
F: credit card, P: contact lens, and S: sundial. You press <<S>>.
F: granite, P: roll, and S: sauce. You press <<F>>.
F: table, P: pocketknife, and S: cake. You press <<P>>.