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

K: stapler, R: step stool, and D: honeypot. You press <<K>>.
K: chisel, R: tuning fork, and D: hanger. You press <<R>>.
K: brass knuckles, R: exhaust pipe, and D: bouquet. You press <<K>>.
K: guitar, R: highchair, and D: tag. You press <<D>>.
K: gramophone, R: deer, and D: unicycle. You press <<R>>.
K: barrette, R: hobbyhorse, and D: gyroscope. You press <<R>>.
K: gold, R: recorder, and D: hearing aid. You press <<R>>.
K: bench, R: phone, and D: enchilada. You press <<D>>.
K: cake mix, R: truck, and D: donkey. You press <<K>>.
K: oil, R: microwave, and D: rice. You press <<D>>.
K: ladle, R: cake, and D: kettle. You press <<R>>.
K: hood, R: diaper, and D: mold. You press <<D>>.
K: odometer, R: dial, and D: stamp. You press <<R>>.
K: hummingbird, R: odometer, and D: ladybug. You press <<R>>.
K: highchair, R: jigsaw puzzle, and D: pacifier. You press <<D>>.
K: slot machine, R: dip, and D: exhaust pipe. You press <<R>>.
K: landmine, R: sundae, and D: bubble wrap. You press <<R>>.
K: glove, R: horseshoe, and D: ice cube. You press <<R>>.
K: wing, R: cocktail, and D: firewood. You press <<R>>.
K: torso, R: bow, and D: bike. You press <<R>>.