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

L: mirror, K: fireplace, and U: helicopter. You press <<U>>.
L: gate, K: doorhandle, and U: coin. You press <<L>>.
L: tiger, K: table, and U: headset. You press <<L>>.
L: rock, K: aquarium, and U: coffee filter. You press <<K>>.
L: clarinet, K: baseball glove, and U: loincloth. You press <<L>>.
L: radiator, K: hamburger, and U: waterwheel. You press <<K>>.
L: slug, K: omelet, and U: puppet. You press <<K>>.
L: mistletoe, K: gorilla, and U: piecrust. You press <<K>>.
L: spark plug, K: brussels sprouts, and U: copier. You press <<K>>.
L: banana split, K: clothesline, and U: seafood. You press <<K>>.
L: spaghetti, K: cucumber, and U: panther. You press <<U>>.
L: christmas card, K: kangaroo, and U: grinder. You press <<K>>.
L: cannonball, K: cheese, and U: leech. You press <<U>>.
L: cream, K: peach, and U: credit card. You press <<U>>.
L: step stool, K: squash, and U: cocoon. You press <<L>>.
L: playpen, K: coffeemaker, and U: router. You press <<L>>.
L: turtleneck, K: potholder, and U: rose. You press <<U>>.
L: printer, K: spam, and U: toaster. You press <<K>>.
L: car door, K: chariot, and U: almond. You press <<U>>.
L: spatula, K: fencepost, and U: furnace. You press <<L>>.