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

B: banjo, O: sock, and U: pogo stick. You press <<O>>.
B: star fruit, O: rake, and U: revolver. You press <<U>>.
B: knitting needle, O: hair, and U: wax paper. You press <<U>>.
B: tumbleweed, O: patch, and U: chopsticks. You press <<B>>.
B: sickle, O: candlestick, and U: centrifuge. You press <<B>>.
B: grasshopper, O: pickle, and U: sidecar. You press <<U>>.
B: cake, O: jelly bean, and U: tugboat. You press <<U>>.
B: pulley, O: paper, and U: rack. You press <<U>>.
B: candy, O: tie, and U: hairbrush. You press <<B>>.
B: orange rind, O: sailboat, and U: crossbow. You press <<O>>.
B: knot, O: taillight, and U: triangle. You press <<O>>.
B: coffee bean, O: power line, and U: sand. You press <<O>>.
B: umbrella, O: peppermint, and U: barnacle. You press <<B>>.
B: handprint, O: grapefruit, and U: french horn. You press <<O>>.
B: meat, O: sushi, and U: bedpan. You press <<U>>.
B: refrigerator, O: pin, and U: wick. You press <<B>>.
B: bulletproof vest, O: caterpillar, and U: tumbleweed. You press <<B>>.
B: turtle, O: guillotine, and U: drink. You press <<U>>.
B: slot machine, O: pesto, and U: toe. You press <<U>>.
B: paperclip, O: powder, and U: breadstick. You press <<B>>.