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

U: sauerkraut, P: granite, and K: monkey. You press <<P>>.
U: ruler, P: scalpel, and K: seesaw. You press <<K>>.
U: cinnamon, P: contact lens, and K: ring. You press <<P>>.
U: sprouts, P: fly, and K: backpack. You press <<U>>.
U: spider, P: dress, and K: basketball. You press <<U>>.
U: magnet, P: hot-air balloon, and K: thumb. You press <<K>>.
U: snowboard, P: chopsticks, and K: chaps. You press <<U>>.
U: coffeemaker, P: pitchfork, and K: meat grinder. You press <<P>>.
U: abacus, P: turkey, and K: eggbeater. You press <<P>>.
U: glue, P: tuba, and K: tennis ball. You press <<P>>.
U: bone, P: radar, and K: curb. You press <<U>>.
U: tumbleweed, P: wagon, and K: potpie. You press <<K>>.
U: icepick, P: jeans, and K: skin. You press <<U>>.
U: polar bear, P: wrench, and K: bandage. You press <<P>>.
U: hot chocolate, P: crystal, and K: cellphone. You press <<U>>.
U: flagpole, P: pig, and K: life jacket. You press <<P>>.
U: seesaw, P: hedgehog, and K: croissant. You press <<U>>.
U: dartboard, P: turbine, and K: stick. You press <<K>>.
U: spatula, P: flypaper, and K: bone. You press <<U>>.
U: backpack, P: fly, and K: sprouts. You press <<P>>.