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

C: manhole, D: straw, and I: payphone. You press <<D>>.
C: bow, D: beetle, and I: leech. You press <<C>>.
C: tuxedo, D: photo booth, and I: tape. You press <<C>>.
C: potato, D: belt, and I: tooth. You press <<D>>.
C: piggy bank, D: copier, and I: water cooler. You press <<D>>.
C: face mask, D: swing set, and I: water filter. You press <<C>>.
C: ruler, D: cannonball, and I: swing. You press <<C>>.
C: gourd, D: sandwich, and I: oilcan. You press <<I>>.
C: pin, D: wax, and I: necklace. You press <<I>>.
C: radar, D: cookie, and I: football helmet. You press <<I>>.
C: videogame, D: jackhammer, and I: tool. You press <<C>>.
C: dumbbell, D: sauce, and I: antelope. You press <<D>>.
C: exerciser, D: frame, and I: parking meter. You press <<D>>.
C: chalice, D: fast food, and I: thumbtack. You press <<C>>.
C: saucer, D: lock, and I: barrette. You press <<D>>.
C: snowshoe, D: shovel, and I: curling iron. You press <<I>>.
C: bouquet, D: baby, and I: raspberry. You press <<D>>.
C: spark plug, D: tarp, and I: walnut. You press <<C>>.
C: snowshoe, D: scrabble, and I: clock. You press <<I>>.
C: space shuttle, D: toothbrush, and I: eyeliner. You press <<D>>.