You will be presented with triplets of objects, which will be assigned to the keys R, E, and U.
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: blazer, E: beard, and U: bedpan. You press <<E>>.
R: poinsettia, E: brick, and U: pretzel. You press <<E>>.
R: sand, E: pedal, and U: calamari. You press <<U>>.
R: ladder, E: baton, and U: orange rind. You press <<U>>.
R: hinge, E: switch, and U: stool. You press <<E>>.
R: headlight, E: jukebox, and U: missile. You press <<E>>.
R: barnacle, E: valve, and U: seal. You press <<E>>.
R: snake, E: tractor, and U: bullet. You press <<E>>.
R: clothesline, E: safety pin, and U: fox. You press <<U>>.
R: chain, E: pliers, and U: scale. You press <<U>>.
R: pot, E: needle, and U: christmas card. You press <<R>>.
R: bell pepper, E: glasses, and U: hanger. You press <<R>>.
R: armor, E: lab coat, and U: checkers. You press <<U>>.
R: tongs, E: barrette, and U: pom-pom. You press <<R>>.
R: rust, E: eye, and U: motorcycle. You press <<R>>.
R: applesauce, E: chalk, and U: cookie. You press <<E>>.
R: peanut, E: rocking horse, and U: marijuana. You press <<E>>.
R: toothpick, E: viewfinder, and U: wheelchair. You press <<E>>.
R: marshmallow, E: radio, and U: carriage. You press <<R>>.
R: bark, E: chess piece, and U: baton. You press <<U>>.