You will be presented with triplets of objects, which will be assigned to the keys R, P, 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: urn, P: tricycle, and K: doghouse. You press <<P>>.
R: coop, P: pastry, and K: ferry. You press <<P>>.
R: bamboo, P: nail clippers, and K: fire. You press <<P>>.
R: bowtie, P: enchilada, and K: toad. You press <<R>>.
R: cooler, P: lawnmower, and K: sauerkraut. You press <<P>>.
R: pepper, P: hairspray, and K: machine gun. You press <<R>>.
R: pin, P: porcupine, and K: dalmatian. You press <<K>>.
R: kebab, P: hourglass, and K: boa. You press <<R>>.
R: kale, P: pancake, and K: lens. You press <<K>>.
R: figurine, P: wedge, and K: turbine. You press <<R>>.
R: cardboard, P: blowtorch, and K: bench. You press <<P>>.
R: frame, P: periscope, and K: rearview mirror. You press <<R>>.
R: taco, P: pita, and K: roller. You press <<K>>.
R: fireplace, P: wood, and K: badge. You press <<K>>.
R: cheeseburger, P: apple, and K: firewood. You press <<K>>.
R: navel, P: caterpillar, and K: dial. You press <<K>>.
R: peanut butter, P: applesauce, and K: crab. You press <<K>>.
R: pepper, P: cuckoo clock, and K: toothpaste. You press <<K>>.
R: pocket watch, P: slot machine, and K: hummus. You press <<K>>.
R: shopping cart, P: eggplant, and K: tongue. You press <<K>>.