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

F: riser, K: face mask, and D: arm. You press <<F>>.
F: tool, K: towel rack, and D: medal. You press <<F>>.
F: cement mixer, K: hot tub, and D: aardvark. You press <<D>>.
F: container, K: basketball hoop, and D: shears. You press <<F>>.
F: oar, K: combination lock, and D: staple. You press <<K>>.
F: kayak, K: mongoose, and D: panties. You press <<F>>.
F: shoelace, K: gauze, and D: burrito. You press <<D>>.
F: fondue, K: loom, and D: aquarium. You press <<K>>.
F: icemaker, K: stir fry, and D: piglet. You press <<F>>.
F: swan, K: chicken wire, and D: flashbulb. You press <<K>>.
F: extinguisher, K: mud, and D: creme brulee. You press <<D>>.
F: pudding, K: hammock, and D: chessboard. You press <<F>>.
F: corn, K: videogame, and D: jelly bean. You press <<K>>.
F: tarp, K: videogame, and D: caramel. You press <<D>>.
F: mallet, K: stirrup, and D: cocktail. You press <<D>>.
F: pinball, K: scaffolding, and D: skunk. You press <<D>>.
F: dandelion, K: racehorse, and D: mold. You press <<K>>.
F: cheese, K: feather, and D: chalkboard. You press <<K>>.
F: sweater, K: visor, and D: arm. You press <<K>>.
F: koala, K: cantaloupe, and D: mouse. You press <<D>>.