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

F: scalpel, X: can opener, and O: switch. You press <<O>>.
F: flour, X: goblet, and O: chandelier. You press <<F>>.
F: shovel, X: beanbag, and O: nail clippers. You press <<X>>.
F: tab, X: turf, and O: broccoli. You press <<F>>.
F: leg, X: hairspray, and O: bubble. You press <<O>>.
F: music box, X: poodle, and O: centrifuge. You press <<X>>.
F: man, X: wheelchair, and O: mask. You press <<X>>.
F: casserole, X: hoodie, and O: okra. You press <<X>>.
F: gargoyle, X: stump, and O: puddle. You press <<F>>.
F: stew, X: rose, and O: mailbox. You press <<F>>.
F: pepper mill, X: tamale, and O: mosquito. You press <<O>>.
F: vial, X: exerciser, and O: aloe. You press <<X>>.
F: root, X: radiator, and O: sweatsuit. You press <<F>>.
F: gas mask, X: mosquito, and O: candlestick. You press <<X>>.
F: swab, X: whoopee cushion, and O: dessert. You press <<O>>.
F: mixer, X: curry, and O: birthday cake. You press <<F>>.
F: skeleton, X: sparkler, and O: flower. You press <<X>>.
F: lasagna, X: mullet, and O: vial. You press <<O>>.
F: jigsaw puzzle, X: shoelace, and O: hay. You press <<F>>.
F: videocassette, X: meat grinder, and O: peacock. You press <<X>>.