You will be presented with triplets of objects, which will be assigned to the keys K, F, 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: fire alarm, F: lip balm, and D: trough. You press <<D>>.
K: ribbon, F: jukebox, and D: tick. You press <<D>>.
K: bean, F: bunkbed, and D: arm. You press <<D>>.
K: block, F: sidecar, and D: window. You press <<F>>.
K: snowshoe, F: slicer, and D: handprint. You press <<F>>.
K: shell, F: fountain pen, and D: tile. You press <<F>>.
K: mouse, F: llama, and D: target. You press <<D>>.
K: wooden leg, F: papaya, and D: ivy. You press <<K>>.
K: diamond, F: cellphone, and D: car. You press <<K>>.
K: underwear, F: treasure, and D: kaleidoscope. You press <<K>>.
K: doily, F: grits, and D: maggot. You press <<K>>.
K: diaper, F: goose, and D: harp. You press <<K>>.
K: clipboard, F: straw, and D: rearview mirror. You press <<D>>.
K: poppy, F: mud, and D: whoopee cushion. You press <<D>>.
K: granola, F: mistletoe, and D: net. You press <<D>>.
K: laptop, F: gel, and D: pudding. You press <<K>>.
K: fire alarm, F: baton, and D: rubber band. You press <<D>>.
K: washcloth, F: pencil sharpener, and D: skull. You press <<D>>.
K: safety pin, F: olive, and D: sardine. You press <<F>>.
K: ruler, F: walker, and D: license plate. You press <<K>>.