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

X: frame, K: drum, and O: hammock. You press <<O>>.
X: eagle, K: stopwatch, and O: twig. You press <<K>>.
X: handle, K: parrot, and O: doorknocker. You press <<K>>.
X: gutter, K: plunger, and O: noodle. You press <<O>>.
X: container, K: cable, and O: fingerprint. You press <<X>>.
X: comic book, K: ivy, and O: footrest. You press <<K>>.
X: coffee pot, K: pinball, and O: pie. You press <<K>>.
X: altar, K: banana peel, and O: plaster cast. You press <<X>>.
X: razor blade, K: baseball glove, and O: lion. You press <<K>>.
X: beehive, K: brass knuckles, and O: gun. You press <<X>>.
X: motherboard, K: block, and O: scarf. You press <<O>>.
X: undershirt, K: scarf, and O: shell. You press <<O>>.
X: shoehorn, K: denture, and O: mattress. You press <<O>>.
X: cello, K: curry, and O: marshmallow. You press <<X>>.
X: bib, K: corsage, and O: furnace. You press <<O>>.
X: chalk, K: fast food, and O: crowbar. You press <<K>>.
X: polisher, K: wrench, and O: tattoo. You press <<O>>.
X: power line, K: lens, and O: pepper mill. You press <<X>>.
X: gargoyle, K: sunroof, and O: gas mask. You press <<X>>.
X: leggings, K: confetti, and O: toad. You press <<O>>.