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

U: hinge, W: acorn, and O: sim card. You press <<W>>.
U: spout, W: gasket, and O: letter opener. You press <<W>>.
U: camcorder, W: birdbath, and O: candy cane. You press <<O>>.
U: baton, W: ticktacktoe, and O: spaghetti. You press <<O>>.
U: pineapple, W: box, and O: rug. You press <<U>>.
U: thorn, W: lip gloss, and O: ant. You press <<W>>.
U: aardvark, W: goose, and O: ski pole. You press <<O>>.
U: handle, W: desk, and O: salami. You press <<O>>.
U: cross, W: motherboard, and O: pen. You press <<W>>.
U: candy bar, W: tape, and O: deer. You press <<W>>.
U: chocolate, W: tick, and O: blender. You press <<W>>.
U: fire alarm, W: mango, and O: eyeliner. You press <<W>>.
U: highlighter, W: padlock, and O: lettuce. You press <<W>>.
U: abacus, W: life jacket, and O: gallows. You press <<W>>.
U: knitting needle, W: cigarette, and O: abacus. You press <<W>>.
U: clay, W: lid, and O: stilt. You press <<O>>.
U: guinea pig, W: nail polish, and O: guardrail. You press <<U>>.
U: spout, W: insole, and O: arrow. You press <<O>>.
U: pincushion, W: dress, and O: marker. You press <<O>>.
U: wing, W: ball, and O: microwave. You press <<W>>.