You will be presented with triplets of objects, which will be assigned to the keys C, O, and A.
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: videogame, O: palm tree, and A: noodle. You press <<O>>.
C: chalice, O: station wagon, and A: camera. You press <<C>>.
C: mussel, O: gong, and A: can. You press <<O>>.
C: scoreboard, O: leg, and A: keyboard. You press <<A>>.
C: hydrant, O: throne, and A: lollipop. You press <<C>>.
C: urinal, O: trashcan, and A: carousel. You press <<O>>.
C: chute, O: christmas card, and A: cheesecake. You press <<C>>.
C: hummingbird, O: mailbox, and A: bandage. You press <<A>>.
C: ginger, O: visor, and A: helicopter. You press <<C>>.
C: mug, O: nut, and A: face mask. You press <<A>>.
C: dumbbell, O: bucket, and A: potpourri. You press <<O>>.
C: swing set, O: stair, and A: shower curtain. You press <<A>>.
C: food processor, O: chicken, and A: engine. You press <<A>>.
C: footrest, O: sweet potato, and A: centrifuge. You press <<O>>.
C: touchpad, O: sickle, and A: hard disk. You press <<O>>.
C: noose, O: checkbook, and A: breadstick. You press <<C>>.
C: rag, O: phone, and A: painting. You press <<O>>.
C: grasshopper, O: wallet, and A: pencil. You press <<C>>.
C: stapler, O: thread, and A: awning. You press <<A>>.
C: fruitcake, O: thermos, and A: hard disk. You press <<A>>.