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

W: hotdog, C: thumbtack, and K: coffin. You press <<K>>.
W: tray, C: stomach, and K: couch. You press <<C>>.
W: panties, C: spout, and K: mold. You press <<W>>.
W: music box, C: face mask, and K: curry. You press <<K>>.
W: honeypot, C: spatula, and K: ottoman. You press <<K>>.
W: revolver, C: oilcan, and K: knee. You press <<K>>.
W: sidecar, C: cheese, and K: ice pack. You press <<W>>.
W: canister, C: hotplate, and K: bib. You press <<K>>.
W: piecrust, C: soda, and K: costume. You press <<K>>.
W: string cheese, C: wine cooler, and K: pea. You press <<C>>.
W: hubcap, C: bottle, and K: javelin. You press <<K>>.
W: bonnet, C: blowtorch, and K: seagull. You press <<C>>.
W: mosquito, C: creme brulee, and K: seaplane. You press <<K>>.
W: fork, C: tomato sauce, and K: retainer. You press <<K>>.
W: grater, C: joystick, and K: daisy. You press <<K>>.
W: jet, C: guillotine, and K: lollipop. You press <<K>>.
W: baton, C: thumb, and K: spoon. You press <<C>>.
W: pearl, C: microphone, and K: lighter. You press <<W>>.
W: dishwashing liquid, C: emerald, and K: bat. You press <<K>>.
W: spinach, C: gem, and K: hippopotamus. You press <<C>>.