You will be presented with triplets of objects, which will be assigned to the keys O, X, 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: whistle, X: vulture, and Z: pajamas. You press <<O>>.
O: sail, X: photograph, and Z: station wagon. You press <<X>>.
O: toga, X: chariot, and Z: ring. You press <<Z>>.
O: sock, X: maggot, and Z: hedge. You press <<X>>.
O: ferret, X: chariot, and Z: icemaker. You press <<X>>.
O: hovercraft, X: parking meter, and Z: hotplate. You press <<Z>>.
O: milk, X: parking meter, and Z: bubble wrap. You press <<O>>.
O: spear, X: shredder, and Z: trap. You press <<X>>.
O: hatbox, X: taillight, and Z: straw. You press <<Z>>.
O: swimming pool, X: mango, and Z: wedding cake. You press <<Z>>.
O: snowball, X: birdbath, and Z: candle. You press <<O>>.
O: goat, X: chicken, and Z: tab. You press <<Z>>.
O: screw, X: pantyhose, and Z: hedge. You press <<X>>.
O: pocket watch, X: torpedo, and Z: garbage. You press <<Z>>.
O: berry, X: thorn, and Z: oil. You press <<O>>.
O: monkey, X: bull, and Z: cocktail. You press <<Z>>.
O: footprint, X: hawk, and Z: penguin. You press <<O>>.
O: melon, X: creme brulee, and Z: pelican. You press <<Z>>.
O: avocado, X: footprint, and Z: bamboo. You press <<X>>.
O: sprinkler, X: kangaroo, and Z: cupcake. You press <<O>>.
O: bra, X: guinea pig, and Z: turtle. You press <<O>>.
O: eggnog, X: stem, and Z: radiator. You press <<O>>.
O: boat, X: spring roll, and Z: vial. You press <<O>>.
O: slingshot, X: propeller, and Z: oar. You press <<O>>.
O: lamb chop, X: radar, and Z: sandwich. You press <<X>>.
O: coyote, X: drumstick, and Z: dartboard. You press <<O>>.
O: toilet paper, X: bacon, and Z: detonator. You press <<X>>.
O: baseball glove, X: calf, and Z: gas mask. You press <<X>>.
O: rust, X: thermometer, and Z: bassinet. You press <<Z>>.
O: beard, X: sardine, and Z: button. You press <<X>>.
O: headlight, X: shower cap, and Z: printer. You press <<Z>>.
O: hawk, X: tupperware, and Z: carrot. You press <<O>>.
O: elbow, X: exerciser, and Z: rickshaw. You press <<Z>>.
O: blouse, X: flagpole, and Z: lantern. You press <<X>>.
O: fan, X: tennis ball, and Z: toilet. You press <<Z>>.
O: palette, X: cigar, and Z: sandbag. You press <<X>>.
O: nail file, X: cake mix, and Z: hedgehog. You press <<X>>.
O: leek, X: t-shirt, and Z: fireplace. You press <<Z>>.
O: towel rack, X: chessboard, and Z: lunchbox. You press <<O>>.
O: holster, X: balloon, and Z: rat. You press <<Z>>.