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

X: lightning bug, W: chair, and U: train set. You press <<X>>.
X: shutter, W: splinter, and U: puck. You press <<W>>.
X: frog, W: jalapeno, and U: oar. You press <<U>>.
X: ski pole, W: compass, and U: shortbread. You press <<U>>.
X: defibrillator, W: microwave, and U: calf. You press <<U>>.
X: grenade, W: rat, and U: sequin. You press <<W>>.
X: sarcophagus, W: go-kart, and U: canoe. You press <<W>>.
X: toilet, W: cork, and U: dishwashing liquid. You press <<X>>.
X: glue, W: power line, and U: anvil. You press <<X>>.
X: fuse, W: bull, and U: carriage. You press <<W>>.
X: champagne, W: surfboard, and U: stove. You press <<X>>.
X: leek, W: staple gun, and U: pants. You press <<X>>.
X: moth, W: stingray, and U: acorn. You press <<U>>.
X: hairspray, W: blanket, and U: first-aid kit. You press <<X>>.
X: turban, W: maple syrup, and U: pinwheel. You press <<X>>.
X: remote control, W: shrimp, and U: panther. You press <<X>>.
X: speedometer, W: omelet, and U: hot-water bottle. You press <<W>>.
X: icemaker, W: filter, and U: fudge. You press <<U>>.
X: peacock, W: parfait, and U: cashew. You press <<X>>.
X: record player, W: gopher, and U: flask. You press <<W>>.