You will be presented with triplets of objects, which will be assigned to the keys R, G, 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: submarine, G: chinaware, and U: boxer shorts. You press <<G>>.
R: toilet paper, G: workbench, and U: tackle. You press <<R>>.
R: grapefruit, G: gasket, and U: dashboard. You press <<R>>.
R: snake, G: jackhammer, and U: speedboat. You press <<R>>.
R: marker, G: grape, and U: bazooka. You press <<U>>.
R: pickax, G: drain, and U: filing cabinet. You press <<G>>.
R: cherry, G: ribbon, and U: ship. You press <<R>>.
R: jellyfish, G: cuckoo clock, and U: jukebox. You press <<R>>.
R: cleat, G: film, and U: cart. You press <<G>>.
R: petri dish, G: veil, and U: ticktacktoe. You press <<G>>.
R: drumstick, G: pineapple, and U: shell. You press <<G>>.
R: sock, G: playing card, and U: christmas card. You press <<R>>.
R: breathalyzer, G: earwig, and U: grinder. You press <<R>>.
R: plant, G: peg, and U: clove. You press <<R>>.
R: gate, G: headband, and U: lifesaver. You press <<R>>.
R: enchilada, G: tractor, and U: mango. You press <<G>>.
R: bucket, G: bag, and U: crystal. You press <<U>>.
R: turtle, G: sardine, and U: barcode. You press <<U>>.
R: sarcophagus, G: scooter, and U: grinder. You press <<G>>.
R: flute, G: road sign, and U: doghouse. You press <<R>>.