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

K: torch, X: walrus, and E: thumb. You press <<K>>.
K: scallop, X: stir fry, and E: train. You press <<E>>.
K: lid, X: board game, and E: soup. You press <<X>>.
K: wrench, X: walnut, and E: scalpel. You press <<X>>.
K: cougar, X: speedboat, and E: goose. You press <<X>>.
K: flypaper, X: trough, and E: fast food. You press <<E>>.
K: moss, X: chips, and E: rust. You press <<X>>.
K: coal, X: strap, and E: tack. You press <<X>>.
K: silicone, X: wreath, and E: cage. You press <<K>>.
K: headband, X: flamingo, and E: sawhorse. You press <<X>>.
K: goggles, X: cloak, and E: egg. You press <<X>>.
K: record player, X: tamale, and E: saucer. You press <<K>>.
K: telephone pole, X: machine gun, and E: scraper. You press <<E>>.
K: gargoyle, X: mousepad, and E: checkbook. You press <<K>>.
K: sloth, X: curling iron, and E: spareribs. You press <<X>>.
K: baseball, X: machete, and E: headset. You press <<E>>.
K: squid, X: mantle, and E: ribbon. You press <<K>>.
K: abacus, X: turntable, and E: ambulance. You press <<K>>.
K: life jacket, X: block, and E: hot tub. You press <<X>>.
K: candy cane, X: scaffold, and E: tree trunk. You press <<K>>.