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

S: tattoo, P: boulder, and F: railing. You press <<F>>.
S: candy bar, P: aquarium, and F: cornmeal. You press <<S>>.
S: duckling, P: thumb, and F: grenade. You press <<S>>.
S: pancake, P: fence, and F: plant. You press <<S>>.
S: pickle, P: sundial, and F: gauge. You press <<S>>.
S: hairpin, P: mattress, and F: bow. You press <<P>>.
S: police car, P: cloud, and F: bomb. You press <<P>>.
S: steering wheel, P: trident, and F: leek. You press <<S>>.
S: rust, P: piano, and F: bubble. You press <<S>>.
S: swimming pool, P: sundial, and F: suspenders. You press <<S>>.
S: hatbox, P: crayfish, and F: wine bottle. You press <<S>>.
S: sail, P: chute, and F: chair. You press <<F>>.
S: basil, P: wig, and F: lip gloss. You press <<S>>.
S: tuba, P: can opener, and F: tricycle. You press <<P>>.
S: hippopotamus, P: gorilla, and F: baton. You press <<F>>.
S: ant, P: water heater, and F: shield. You press <<S>>.
S: blender, P: wreck, and F: torso. You press <<P>>.
S: aquarium, P: cornmeal, and F: candy bar. You press <<P>>.
S: diskette, P: lamppost, and F: nail. You press <<S>>.
S: eggshell, P: watering can, and F: cat. You press <<P>>.