You will be presented with triplets of objects, which will be assigned to the keys O, R, and H.
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: ice-cream cone, R: trapdoor, and H: pelican. You press <<O>>.
O: painting, R: headdress, and H: trap. You press <<H>>.
O: dumbbell, R: nightshirt, and H: hair. You press <<R>>.
O: truck, R: crystal, and H: file. You press <<R>>.
O: cuckoo clock, R: cobra, and H: bazooka. You press <<O>>.
O: screwdriver, R: bib, and H: contact lens. You press <<H>>.
O: sorbet, R: statue, and H: beer. You press <<R>>.
O: target, R: aircraft carrier, and H: scarf. You press <<R>>.
O: blazer, R: tick, and H: crate. You press <<R>>.
O: cooker, R: sweater, and H: manhole. You press <<R>>.
O: videocassette, R: railing, and H: goose. You press <<O>>.
O: peanut, R: chicken wire, and H: windshield wiper. You press <<H>>.
O: quilt, R: bassoon, and H: soap. You press <<H>>.
O: leaf, R: shoelace, and H: bell pepper. You press <<R>>.
O: station wagon, R: jacket, and H: banana. You press <<R>>.
O: fungus, R: barbell, and H: taco. You press <<R>>.
O: rack, R: clay, and H: camel. You press <<O>>.
O: videogame, R: jelly bean, and H: clothesline. You press <<H>>.
O: bongo, R: balloon, and H: cardinal. You press <<H>>.
O: cranberry, R: odometer, and H: boy. You press <<H>>.