You will be presented with triplets of objects, which will be assigned to the keys O, K, and M.
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: film, K: grater, and M: boulder. You press <<K>>.
O: baby, K: awning, and M: hippopotamus. You press <<M>>.
O: mousetrap, K: cactus, and M: turban. You press <<O>>.
O: clothesline, K: flamingo, and M: toucan. You press <<O>>.
O: scissors, K: cup, and M: chip. You press <<K>>.
O: gumball, K: polar bear, and M: puffin. You press <<O>>.
O: anvil, K: cash machine, and M: bike. You press <<M>>.
O: bobsled, K: bull, and M: paper. You press <<M>>.
O: thumb, K: cheese, and M: match. You press <<K>>.
O: diskette, K: spool, and M: cordon bleu. You press <<M>>.
O: album, K: teddy bear, and M: tadpole. You press <<M>>.
O: pallet, K: dumpling, and M: possum. You press <<O>>.
O: moccasin, K: stump, and M: whisk. You press <<M>>.
O: moccasin, K: straw, and M: fig. You press <<M>>.
O: raincoat, K: gas mask, and M: ferret. You press <<O>>.
O: terrarium, K: wind chimes, and M: streetlight. You press <<M>>.
O: ant, K: mouse, and M: harness. You press <<M>>.
O: fishnet stockings, K: carousel, and M: pancake. You press <<M>>.
O: drawer, K: fence, and M: clothes. You press <<M>>.
O: leek, K: pasta, and M: slide. You press <<K>>.