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

M: football helmet, C: phone booth, and K: grape. You press <<K>>.
M: kayak, C: airplane, and K: eggbeater. You press <<M>>.
M: bear, C: coat, and K: brussels sprouts. You press <<K>>.
M: teddy bear, C: snow, and K: coop. You press <<M>>.
M: totem pole, C: xylophone, and K: hamburger. You press <<K>>.
M: lobster, C: bison, and K: streetlight. You press <<K>>.
M: train set, C: tortilla, and K: hot-water bottle. You press <<M>>.
M: chicken wire, C: mouth, and K: bra. You press <<M>>.
M: wagon, C: gift, and K: gauze. You press <<K>>.
M: clipper, C: boy, and K: chihuahua. You press <<M>>.
M: vending machine, C: girl, and K: crayfish. You press <<M>>.
M: cooler, C: broom, and K: watermelon. You press <<C>>.
M: lectern, C: arrow, and K: stew. You press <<K>>.
M: dishwasher, C: ring, and K: sewage. You press <<C>>.
M: gumdrop, C: pillbox, and K: gravel. You press <<K>>.
M: can, C: pea, and K: viewfinder. You press <<C>>.
M: navel, C: knob, and K: locker. You press <<K>>.
M: coop, C: teddy bear, and K: snow. You press <<C>>.
M: chalice, C: clothesline, and K: binoculars. You press <<C>>.
M: pita, C: ski, and K: camper. You press <<M>>.