You will be presented with triplets of objects, which will be assigned to the keys G, O, 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.

G: stem, O: sewing kit, and U: xylophone. You press <<G>>.
G: pill, O: boat, and U: diskette. You press <<G>>.
G: police car, O: shell, and U: enchilada. You press <<G>>.
G: first-aid kit, O: road sign, and U: trailer. You press <<U>>.
G: rock, O: bulldozer, and U: scuba. You press <<G>>.
G: puddle, O: cane, and U: bulletproof vest. You press <<G>>.
G: cardinal, O: loom, and U: tray. You press <<U>>.
G: cornucopia, O: hammock, and U: trident. You press <<O>>.
G: handprint, O: lid, and U: punch. You press <<G>>.
G: giraffe, O: ski, and U: cauliflower. You press <<O>>.
G: cloak, O: crab, and U: birdbath. You press <<O>>.
G: fur coat, O: gutter, and U: baseball bat. You press <<G>>.
G: couch, O: police car, and U: pigeon. You press <<U>>.
G: camera, O: kilt, and U: oil. You press <<O>>.
G: beaker, O: glove, and U: suitcase. You press <<U>>.
G: paper, O: splinter, and U: mousepad. You press <<O>>.
G: crab, O: trumpet, and U: face. You press <<O>>.
G: photo booth, O: strainer, and U: fuse. You press <<O>>.
G: first-aid kit, O: road sign, and U: trailer. You press <<U>>.
G: cart, O: music box, and U: hamburger. You press <<U>>.