You will be presented with triplets of objects, which will be assigned to the keys O, B, 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: chest, B: photo booth, and Z: bowtie. You press <<Z>>.
O: cd player, B: flask, and Z: hula hoop. You press <<B>>.
O: tiger, B: saffron, and Z: swizzle stick. You press <<B>>.
O: sheath, B: panther, and Z: leech. You press <<O>>.
O: hoe, B: sunglasses, and Z: airbag. You press <<B>>.
O: footprint, B: cookie sheet, and Z: hatbox. You press <<Z>>.
O: sweet potato, B: caviar, and Z: grapevine. You press <<B>>.
O: sandwich, B: fur coat, and Z: glove. You press <<Z>>.
O: hourglass, B: pinwheel, and Z: plate. You press <<B>>.
O: coop, B: ink, and Z: keyboard. You press <<O>>.
O: arch, B: fire hydrant, and Z: frisbee. You press <<B>>.
O: scoreboard, B: espresso, and Z: wok. You press <<O>>.
O: slingshot, B: hedgehog, and Z: overalls. You press <<O>>.
O: marble, B: chinaware, and Z: skirt. You press <<O>>.
O: goggles, B: rooster, and Z: belt. You press <<B>>.
O: whip, B: eye patch, and Z: hourglass. You press <<Z>>.
O: cheese, B: chocolate, and Z: torch. You press <<Z>>.
O: recorder, B: wrist, and Z: camera lens. You press <<B>>.
O: chalkboard, B: sunglasses, and Z: basil. You press <<Z>>.
O: backgammon, B: salad, and Z: station wagon. You press <<B>>.