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

U: ivy, X: eagle, and I: washcloth. You press <<X>>.
U: blowtorch, X: baseball, and I: parfait. You press <<I>>.
U: roof rack, X: album, and I: chisel. You press <<U>>.
U: goose, X: nail clippers, and I: lamb chop. You press <<X>>.
U: fencepost, X: handbrake, and I: notepad. You press <<I>>.
U: grits, X: stem, and I: bat. You press <<I>>.
U: fast food, X: mitten, and I: canister. You press <<X>>.
U: machete, X: trowel, and I: thorn. You press <<X>>.
U: glue, X: parfait, and I: pet food. You press <<X>>.
U: toaster oven, X: shell, and I: keg. You press <<U>>.
U: mascara, X: headset, and I: scorpion. You press <<X>>.
U: harmonica, X: photograph, and I: wetsuit. You press <<X>>.
U: jalapeno, X: lingerie, and I: buggy. You press <<X>>.
U: deodorant, X: glue, and I: shrimp. You press <<U>>.
U: bagel, X: nest, and I: platypus. You press <<U>>.
U: moth, X: pistachio, and I: barrel. You press <<U>>.
U: hedge, X: cutting board, and I: ferry. You press <<X>>.
U: truck, X: spider web, and I: beanbag. You press <<X>>.
U: teacup, X: cigarette butt, and I: groundhog. You press <<I>>.
U: heater, X: cd player, and I: butter. You press <<I>>.