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

R: swing, Z: sugar cube, and O: lamppost. You press <<Z>>.
R: hay, Z: cable, and O: pepperoni. You press <<O>>.
R: burner, Z: chandelier, and O: blanket. You press <<O>>.
R: solar panel, Z: root, and O: soy sauce. You press <<R>>.
R: engine, Z: beer, and O: thermostat. You press <<Z>>.
R: spider web, Z: chinchilla, and O: raccoon. You press <<R>>.
R: blower, Z: altar, and O: lifesaver. You press <<Z>>.
R: balance beam, Z: container, and O: headband. You press <<O>>.
R: tool, Z: landmine, and O: headlamp. You press <<Z>>.
R: hot-water bottle, Z: drink, and O: hockey stick. You press <<O>>.
R: fingerprint, Z: wall, and O: paperclip. You press <<Z>>.
R: saucer, Z: rim, and O: slicer. You press <<R>>.
R: lock, Z: streetlight, and O: buoy. You press <<O>>.
R: bassinet, Z: coin, and O: bamboo. You press <<R>>.
R: bottle opener, Z: wall, and O: turnstile. You press <<Z>>.
R: bowl, Z: cart, and O: penlight. You press <<O>>.
R: spaghetti, Z: camera, and O: clipper. You press <<R>>.
R: abacus, Z: saw, and O: garbage. You press <<Z>>.
R: polisher, Z: hash, and O: dagger. You press <<Z>>.
R: streetlight, Z: viewfinder, and O: safety pin. You press <<R>>.