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

Z: wine, C: spring roll, and F: blimp. You press <<F>>.
Z: mouth, C: curtain, and F: binder. You press <<F>>.
Z: marble, C: kazoo, and F: denture. You press <<Z>>.
Z: okra, C: cruise ship, and F: croissant. You press <<C>>.
Z: showerhead, C: loom, and F: dip. You press <<F>>.
Z: firecracker, C: dog, and F: bedpost. You press <<C>>.
Z: shell, C: shaving cream, and F: macaroni. You press <<C>>.
Z: slicer, C: pony, and F: pheasant. You press <<Z>>.
Z: toad, C: steak, and F: shopping cart. You press <<F>>.
Z: sail, C: fur coat, and F: barbell. You press <<F>>.
Z: stem, C: mail, and F: bulletproof vest. You press <<F>>.
Z: scoop, C: juice, and F: bin. You press <<F>>.
Z: gun, C: clothes, and F: chandelier. You press <<Z>>.
Z: pom-pom, C: lanyard, and F: bungee. You press <<Z>>.
Z: microphone, C: inkwell, and F: banana split. You press <<F>>.
Z: yoke, C: moccasin, and F: cd player. You press <<F>>.
Z: wallet, C: mango, and F: gondola. You press <<C>>.
Z: flip flop, C: chin, and F: boomerang. You press <<C>>.
Z: hearing aid, C: bulletin board, and F: apple. You press <<C>>.
Z: hedge, C: furnace, and F: boulder. You press <<Z>>.