You will be presented with triplets of objects, which will be assigned to the keys R, A, 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.

R: test tube, A: raspberry, and K: cymbal. You press <<R>>.
R: fishhook, A: photograph, and K: drum. You press <<A>>.
R: sugar cube, A: curb, and K: baton. You press <<K>>.
R: beetle, A: crate, and K: cockatoo. You press <<A>>.
R: bear, A: wire cutters, and K: jewel. You press <<R>>.
R: insole, A: motorcycle, and K: diving board. You press <<A>>.
R: skirt, A: wall, and K: nail. You press <<R>>.
R: scorpion, A: handlebar, and K: hairdryer. You press <<R>>.
R: squash, A: rack, and K: sloth. You press <<A>>.
R: fruitcake, A: highchair, and K: staple gun. You press <<R>>.
R: water cooler, A: grate, and K: flagpole. You press <<K>>.
R: raincoat, A: washboard, and K: soup. You press <<K>>.
R: stalagmite, A: iceskate, and K: baseball bat. You press <<K>>.
R: hard disk, A: robot, and K: cuckoo clock. You press <<K>>.
R: icepick, A: grinder, and K: cork. You press <<K>>.
R: candy bar, A: air pump, and K: granola. You press <<K>>.
R: cream, A: tugboat, and K: popcorn. You press <<K>>.
R: sandal, A: petri dish, and K: graffiti. You press <<R>>.
R: brownie, A: lip balm, and K: unicycle. You press <<R>>.
R: hobbyhorse, A: pipe, and K: quesadilla. You press <<K>>.