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

O: water cooler, F: mirror, and Z: punching bag. You press <<F>>.
O: stool, F: timer, and Z: peanut. You press <<Z>>.
O: pepperoni, F: crow, and Z: bookshelf. You press <<F>>.
O: gargoyle, F: landmine, and Z: safety pin. You press <<O>>.
O: icemaker, F: snake, and Z: eye patch. You press <<O>>.
O: scalpel, F: seaweed, and Z: panda. You press <<O>>.
O: grits, F: counter, and Z: dishrag. You press <<O>>.
O: porcupine, F: enchilada, and Z: joystick. You press <<Z>>.
O: satellite, F: aluminum foil, and Z: pulpit. You press <<Z>>.
O: crystal, F: lip gloss, and Z: thermos. You press <<O>>.
O: container, F: pillbox, and Z: razor. You press <<Z>>.
O: webcam, F: asparagus, and Z: trophy. You press <<F>>.
O: closet, F: shower, and Z: railing. You press <<O>>.
O: banana, F: parsley, and Z: bottle opener. You press <<Z>>.
O: bungee, F: board game, and Z: vacuum. You press <<Z>>.
O: diaper, F: blowtorch, and Z: arm. You press <<F>>.
O: marble, F: stamp, and Z: vase. You press <<F>>.
O: gun, F: duck, and Z: confetti. You press <<F>>.
O: stockings, F: foam, and Z: chess piece. You press <<O>>.
O: gum, F: brownie, and Z: helmet. You press <<Z>>.
O: whip, F: wreck, and Z: ant. You press <<F>>.
O: volleyball, F: yak, and Z: pecan. You press <<F>>.
O: painting, F: jug, and Z: candelabra. You press <<F>>.
O: drawer, F: wheelchair, and Z: tool. You press <<F>>.
O: whiteboard, F: yogurt, and Z: piglet. You press <<O>>.
O: feather, F: meatloaf, and Z: swan. You press <<F>>.
O: sequin, F: artichoke, and Z: rake. You press <<O>>.
O: candelabra, F: ferris wheel, and Z: bank. You press <<F>>.
O: marshmallow, F: hook, and Z: ballot box. You press <<O>>.
O: quad, F: ribbon, and Z: riser. You press <<O>>.
O: skeleton, F: riser, and Z: stopwatch. You press <<O>>.
O: sarcophagus, F: cocoon, and Z: dessert. You press <<Z>>.
O: hammock, F: bat, and Z: fork. You press <<F>>.
O: match, F: nutcracker, and Z: earwig. You press <<Z>>.
O: switch, F: yak, and Z: glove. You press <<F>>.
O: train car, F: hourglass, and Z: parking meter. You press <<F>>.
O: prism, F: seismograph, and Z: steering wheel. You press <<Z>>.
O: raft, F: hatchet, and Z: sarcophagus. You press <<O>>.
O: bison, F: shower cap, and Z: nightshirt. You press <<O>>.
O: fire alarm, F: lasagna, and Z: stew. You press <<O>>.