You will be presented with triplets of objects, which will be assigned to the keys R, I, and E.
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: spout, I: floss, and E: manatee. You press <<E>>.
R: birdcage, I: card, and E: wood. You press <<I>>.
R: plug, I: gold, and E: barnacle. You press <<R>>.
R: life jacket, I: graffiti, and E: coffin. You press <<I>>.
R: fudge, I: hot-water bottle, and E: bookmark. You press <<R>>.
R: sloth, I: baton, and E: licorice. You press <<E>>.
R: glove, I: frame, and E: plaster cast. You press <<I>>.
R: visor, I: cereal, and E: latch. You press <<I>>.
R: barbed wire, I: star fruit, and E: mantle. You press <<I>>.
R: peanut, I: garter, and E: canister. You press <<R>>.
R: towel, I: blind, and E: pen. You press <<E>>.
R: fingerprint, I: slingshot, and E: mannequin. You press <<E>>.
R: dresser, I: shortbread, and E: pudding. You press <<E>>.
R: punch, I: cash register, and E: tadpole. You press <<E>>.
R: tree trunk, I: can opener, and E: donut. You press <<I>>.
R: earring, I: handcuff, and E: wasp. You press <<E>>.
R: bazooka, I: helicopter, and E: birthday cake. You press <<E>>.
R: bandage, I: duck, and E: bottle. You press <<R>>.
R: crown, I: torch, and E: mold. You press <<I>>.
R: straw, I: pearl, and E: sprinkler. You press <<E>>.