You will be presented with triplets of objects, which will be assigned to the keys Z, C, and R.
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: duckling, C: penholder, and R: tea. You press <<Z>>.
Z: typewriter, C: suspenders, and R: laser pointer. You press <<C>>.
Z: bubble wrap, C: fig, and R: flip flop. You press <<C>>.
Z: coffeemaker, C: stamp, and R: fence. You press <<R>>.
Z: doorknocker, C: pasta, and R: bow. You press <<Z>>.
Z: washboard, C: water bottle, and R: sandbox. You press <<C>>.
Z: ratchet, C: snowmobile, and R: moth. You press <<Z>>.
Z: caramel, C: treasure, and R: rolling pin. You press <<R>>.
Z: lectern, C: green beans, and R: camcorder. You press <<Z>>.
Z: waterwheel, C: periscope, and R: mosquito. You press <<R>>.
Z: almond, C: tambourine, and R: cardboard. You press <<C>>.
Z: skewer, C: boy, and R: rickshaw. You press <<C>>.
Z: keyhole, C: pump, and R: ski. You press <<R>>.
Z: cotton candy, C: blazer, and R: spaghetti. You press <<R>>.
Z: noose, C: roulette wheel, and R: music box. You press <<Z>>.
Z: ferry, C: hedge, and R: rifle. You press <<R>>.
Z: mussel, C: curling iron, and R: wax. You press <<R>>.
Z: saxophone, C: rope, and R: keyhole. You press <<Z>>.
Z: pepperoni, C: arch, and R: pea. You press <<C>>.
Z: kimono, C: backgammon, and R: noose. You press <<R>>.