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

W: dandelion, C: hood, and I: pitcher. You press <<C>>.
W: hearing aid, C: yo-yo, and I: shell. You press <<W>>.
W: brick, C: wheelchair, and I: drink. You press <<I>>.
W: stroller, C: butterfly, and I: thorn. You press <<W>>.
W: nut, C: flipper, and I: gel. You press <<W>>.
W: cocktail, C: lizard, and I: cat. You press <<W>>.
W: stockings, C: phone booth, and I: toaster. You press <<W>>.
W: trunk, C: column, and I: playing card. You press <<W>>.
W: crane, C: drum, and I: bat. You press <<W>>.
W: contact lens, C: pants, and I: pretzel. You press <<I>>.
W: brownie, C: bungee, and I: mirror. You press <<W>>.
W: rifle, C: letter opener, and I: gumball. You press <<W>>.
W: otter, C: flip flop, and I: can. You press <<W>>.
W: meat grinder, C: thermos, and I: mantle. You press <<I>>.
W: air pump, C: fingerprint, and I: footbath. You press <<C>>.
W: ferris wheel, C: zucchini, and I: table. You press <<W>>.
W: popcorn, C: torpedo, and I: life jacket. You press <<I>>.
W: trunk, C: chute, and I: eraser. You press <<I>>.
W: football, C: banner, and I: mosquito. You press <<W>>.
W: penholder, C: pennant, and I: tuba. You press <<W>>.