You will be presented with triplets of objects, which will be assigned to the keys R, X, and M.
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: pumpkin, X: wing, and M: humvee. You press <<R>>.
R: artichoke, X: bikini, and M: jelly bean. You press <<X>>.
R: dumpling, X: chin, and M: icicle. You press <<M>>.
R: snail, X: fountain pen, and M: baseball. You press <<M>>.
R: sidecar, X: footbath, and M: mole. You press <<R>>.
R: cardboard, X: modem, and M: needle. You press <<R>>.
R: pantsuit, X: sea urchin, and M: bag. You press <<X>>.
R: christmas tree, X: exerciser, and M: moccasin. You press <<R>>.
R: tab, X: peach, and M: meatloaf. You press <<R>>.
R: fossil, X: doily, and M: penguin. You press <<X>>.
R: bolt, X: skunk, and M: thorn. You press <<R>>.
R: cabbage, X: fossil, and M: bib. You press <<M>>.
R: donut, X: rat, and M: furnace. You press <<X>>.
R: turtleneck, X: sombrero, and M: rocking chair. You press <<R>>.
R: pita, X: tuba, and M: saxophone. You press <<R>>.
R: coconut, X: bandanna, and M: lampshade. You press <<X>>.
R: artichoke, X: jelly bean, and M: bikini. You press <<M>>.
R: headdress, X: creme brulee, and M: scuba. You press <<X>>.
R: pie, X: shirt, and M: orange. You press <<X>>.
R: garter, X: french fries, and M: clarinet. You press <<R>>.