You will be presented with triplets of objects, which will be assigned to the keys R, Y, and D.
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: windshield, Y: stomach, and D: headlight. You press <<Y>>.
R: contact lens, Y: jack, and D: pitcher. You press <<Y>>.
R: penlight, Y: butter, and D: bolo tie. You press <<Y>>.
R: polar bear, Y: binder, and D: barrel. You press <<R>>.
R: bison, Y: orangutan, and D: jug. You press <<D>>.
R: highlighter, Y: log, and D: machete. You press <<R>>.
R: rag, Y: gorilla, and D: snowboard. You press <<Y>>.
R: rake, Y: saxophone, and D: straw. You press <<Y>>.
R: tugboat, Y: wasp, and D: stuffing. You press <<Y>>.
R: walker, Y: beetle, and D: shirt. You press <<R>>.
R: windshield wiper, Y: cornucopia, and D: string cheese. You press <<R>>.
R: jukebox, Y: chive, and D: parrot. You press <<D>>.
R: pear, Y: crucifix, and D: tool. You press <<R>>.
R: snake, Y: scorpion, and D: trident. You press <<D>>.
R: shirt, Y: anvil, and D: necklace. You press <<Y>>.
R: fish, Y: saucer, and D: log. You press <<Y>>.
R: bacon, Y: lingerie, and D: organ. You press <<Y>>.
R: vest, Y: lumber, and D: teddy bear. You press <<R>>.
R: mailbox, Y: candy bar, and D: palette. You press <<R>>.
R: baseball bat, Y: headphones, and D: plastic film. You press <<D>>.