You will be presented with triplets of objects, which will be assigned to the keys Z, L, and R.
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.

Z: sifter, L: undershirt, and R: yo-yo. You press <<Z>>.
Z: fencepost, L: bonsai, and R: rooster. You press <<Z>>.
Z: railing, L: wrapping paper, and R: chariot. You press <<R>>.
Z: football helmet, L: vacuum, and R: towel rack. You press <<Z>>.
Z: asparagus, L: stem, and R: dumpling. You press <<R>>.
Z: recorder, L: skateboard, and R: punch. You press <<R>>.
Z: pole, L: wax paper, and R: sewing machine. You press <<Z>>.
Z: stamp, L: mushroom, and R: goose. You press <<Z>>.
Z: photograph, L: buckle, and R: comb. You press <<Z>>.
Z: duct, L: cd player, and R: coat. You press <<Z>>.
Z: smoke alarm, L: golf club, and R: boulder. You press <<Z>>.
Z: nail file, L: dollhouse, and R: milkshake. You press <<L>>.
Z: pliers, L: tackle, and R: egg. You press <<R>>.
Z: clarinet, L: hinge, and R: hourglass. You press <<R>>.
Z: coin, L: raspberry, and R: juice. You press <<Z>>.
Z: sawhorse, L: motherboard, and R: tomato sauce. You press <<R>>.
Z: quill, L: cigarette, and R: wrap. You press <<Z>>.
Z: pill, L: soap, and R: fox. You press <<R>>.
Z: strainer, L: harmonica, and R: racehorse. You press <<R>>.
Z: golf club, L: mascara, and R: boxer shorts. You press <<R>>.