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

A: washboard, O: ashtray, and P: rolling pin. You press <<O>>.
A: trumpet, O: plaster cast, and P: skewer. You press <<A>>.
A: moss, O: pepper, and P: grain. You press <<P>>.
A: ski pole, O: toe, and P: cash machine. You press <<P>>.
A: steak, O: maple syrup, and P: kayak. You press <<P>>.
A: balance beam, O: seed, and P: log. You press <<O>>.
A: moss, O: charger, and P: matchbox. You press <<A>>.
A: showerhead, O: cloud, and P: baton. You press <<O>>.
A: coffin, O: fruitcake, and P: steak. You press <<A>>.
A: camera, O: cockroach, and P: refrigerator. You press <<O>>.
A: sausage, O: saltshaker, and P: almond. You press <<O>>.
A: pie, O: potato, and P: cufflink. You press <<P>>.
A: guitar, O: mulberry, and P: ski lift. You press <<O>>.
A: lollipop, O: baton, and P: sink. You press <<P>>.
A: toad, O: crib, and P: antelope. You press <<O>>.
A: hula hoop, O: basketball hoop, and P: tugboat. You press <<P>>.
A: blowfish, O: motorcycle, and P: shrimp. You press <<O>>.
A: ram, O: holster, and P: engine. You press <<O>>.
A: mat, O: chain, and P: wheel. You press <<A>>.
A: gear, O: parachute, and P: berry. You press <<A>>.