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

Z: board game, N: sardine, and O: icemaker. You press <<Z>>.
Z: leaf, N: lettuce, and O: minivan. You press <<O>>.
Z: cornmeal, N: book, and O: windowsill. You press <<Z>>.
Z: humvee, N: scaffolding, and O: firewood. You press <<Z>>.
Z: pipe, N: exerciser, and O: sunroof. You press <<Z>>.
Z: caramel, N: elbow, and O: bike. You press <<N>>.
Z: candy cane, N: fruit, and O: yoke. You press <<O>>.
Z: bow, N: blanket, and O: mole. You press <<O>>.
Z: flyswatter, N: mixer, and O: teabag. You press <<O>>.
Z: candle, N: counter, and O: nose. You press <<N>>.
Z: dogfood, N: camcorder, and O: moss. You press <<Z>>.
Z: kazoo, N: starfish, and O: onion. You press <<N>>.
Z: porthole, N: anteater, and O: toaster. You press <<N>>.
Z: handkerchief, N: powder, and O: drink. You press <<Z>>.
Z: raccoon, N: squirt gun, and O: fox. You press <<N>>.
Z: hopscotch, N: penlight, and O: slot. You press <<Z>>.
Z: bacon, N: flagpole, and O: shirt. You press <<Z>>.
Z: windowsill, N: terrarium, and O: cabbage. You press <<O>>.
Z: casserole, N: tee, and O: cooler. You press <<Z>>.
Z: generator, N: elephant, and O: altar. You press <<N>>.
Z: inhaler, N: tape recorder, and O: corkscrew. You press <<N>>.
Z: compass, N: cloak, and O: corsage. You press <<N>>.
Z: tab, N: sledgehammer, and O: screw. You press <<N>>.
Z: urinal, N: microphone, and O: amplifier. You press <<Z>>.
Z: torpedo, N: cassette, and O: belt buckle. You press <<O>>.
Z: deodorant, N: hammer, and O: antelope. You press <<O>>.
Z: plaster cast, N: diving board, and O: ladybug. You press <<O>>.
Z: cockroach, N: chihuahua, and O: tortellini. You press <<O>>.
Z: teddy bear, N: clasp, and O: jackhammer. You press <<Z>>.
Z: limousine, N: hula hoop, and O: banner. You press <<O>>.
Z: foot, N: slicer, and O: hookah. You press <<N>>.
Z: sheet, N: garbage truck, and O: hand. You press <<N>>.
Z: glue, N: badge, and O: face. You press <<O>>.
Z: torch, N: coffin, and O: honeycomb. You press <<N>>.
Z: baseball glove, N: barbed wire, and O: mattress. You press <<N>>.
Z: tiramisu, N: steak, and O: belt buckle. You press <<O>>.
Z: toast, N: flask, and O: gauze. You press <<N>>.
Z: sewage, N: calzone, and O: highchair. You press <<N>>.
Z: kebab, N: cape, and O: cart. You press <<N>>.
Z: wing, N: machine gun, and O: batter. You press <<O>>.