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

D: shower, U: tugboat, and O: satellite dish. You press <<O>>.
D: sim card, U: tongs, and O: croissant. You press <<D>>.
D: ketchup, U: casserole, and O: food processor. You press <<O>>.
D: crystal ball, U: shell, and O: parking meter. You press <<U>>.
D: seismograph, U: kimono, and O: leech. You press <<D>>.
D: arugula, U: calf, and O: helmet. You press <<O>>.
D: trap, U: ticktacktoe, and O: footbath. You press <<O>>.
D: staple, U: sledgehammer, and O: crucifix. You press <<O>>.
D: bucket, U: firetruck, and O: jewelry. You press <<O>>.
D: slot, U: wheat, and O: stew. You press <<D>>.
D: tomato, U: otter, and O: bank. You press <<O>>.
D: wick, U: bank, and O: football. You press <<O>>.
D: pecan, U: eggnog, and O: road sign. You press <<O>>.
D: cooler, U: amber, and O: corsage. You press <<D>>.
D: bike, U: jellyfish, and O: handle. You press <<U>>.
D: star fruit, U: dough, and O: washing machine. You press <<O>>.
D: flute, U: phone, and O: pulley. You press <<O>>.
D: badger, U: sweet potato, and O: skunk. You press <<U>>.
D: drain, U: gargoyle, and O: riser. You press <<U>>.
D: bib, U: hopscotch, and O: rattlesnake. You press <<D>>.