You will be presented with triplets of objects, which will be assigned to the keys U, S, and W.
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: peppermint, S: praying mantis, and W: plant. You press <<U>>.
U: mousepad, S: sardine, and W: modem. You press <<S>>.
U: humvee, S: grenade, and W: pickle. You press <<W>>.
U: tree trunk, S: macaroni, and W: soy sauce. You press <<U>>.
U: altar, S: turbine, and W: strawberry. You press <<W>>.
U: mat, S: potpourri, and W: muffin. You press <<W>>.
U: eggplant, S: trapdoor, and W: card. You press <<U>>.
U: shutter, S: rolling pin, and W: fountain pen. You press <<W>>.
U: canister, S: cream, and W: berry. You press <<S>>.
U: caviar, S: shower cap, and W: pocket. You press <<U>>.
U: kneepad, S: slug, and W: hand. You press <<S>>.
U: seagull, S: bun, and W: lantern. You press <<S>>.
U: koala, S: cymbal, and W: syrup. You press <<W>>.
U: chess piece, S: sonogram, and W: snack. You press <<U>>.
U: acorn, S: arrow, and W: grapefruit. You press <<S>>.
U: table, S: thorn, and W: quill. You press <<U>>.
U: patty, S: bush, and W: pill. You press <<W>>.
U: playpen, S: juicer, and W: bomb. You press <<W>>.
U: pickle, S: grenade, and W: humvee. You press <<U>>.
U: fingerprint, S: saw, and W: toothpick. You press <<U>>.