You will be presented with triplets of objects, which will be assigned to the keys D, C, 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.

D: crouton, C: dress, and O: solar panel. You press <<D>>.
D: cape, C: praying mantis, and O: fountain pen. You press <<O>>.
D: parachute, C: hair, and O: clothesline. You press <<C>>.
D: doorhandle, C: shoelace, and O: rudder. You press <<D>>.
D: garlic, C: screen, and O: pickle. You press <<C>>.
D: powder, C: porcupine, and O: mixer. You press <<C>>.
D: steering wheel, C: chocolate, and O: candle. You press <<D>>.
D: paintbrush, C: spring roll, and O: cd player. You press <<C>>.
D: ostrich, C: rocking chair, and O: eggplant. You press <<C>>.
D: tumbleweed, C: puddle, and O: sled. You press <<O>>.
D: laundry basket, C: fire hydrant, and O: thumb. You press <<D>>.
D: guardrail, C: mixer, and O: thermos. You press <<D>>.
D: hotplate, C: float, and O: triangle. You press <<D>>.
D: totem pole, C: sword, and O: squirrel. You press <<O>>.
D: shaving cream, C: glasses, and O: graffiti. You press <<C>>.
D: carousel, C: chinchilla, and O: moose. You press <<D>>.
D: candy, C: toaster, and O: tripod. You press <<D>>.
D: bell pepper, C: cooker, and O: sausage. You press <<C>>.
D: jet, C: locket, and O: toolbox. You press <<C>>.
D: jewel, C: blimp, and O: chimney. You press <<C>>.