You will be presented with triplets of objects, which will be assigned to the keys Z, W, and C.
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: spider, W: sickle, and C: cream. You press <<C>>.
Z: rim, W: wheelchair, and C: snowboard. You press <<C>>.
Z: crow, W: torch, and C: skewer. You press <<Z>>.
Z: sombrero, W: boy, and C: scaffold. You press <<C>>.
Z: pomegranate, W: rubber band, and C: cymbal. You press <<Z>>.
Z: tambourine, W: fox, and C: prism. You press <<W>>.
Z: leech, W: polaroid, and C: poster. You press <<Z>>.
Z: pheasant, W: rhubarb, and C: highlighter. You press <<Z>>.
Z: trophy, W: duct, and C: lab coat. You press <<C>>.
Z: teddy bear, W: fur coat, and C: cheeseburger. You press <<C>>.
Z: beetle, W: bow, and C: roller coaster. You press <<Z>>.
Z: prism, W: missile, and C: backdrop. You press <<C>>.
Z: hyena, W: toothpaste, and C: roller coaster. You press <<Z>>.
Z: bank, W: toaster oven, and C: piano. You press <<Z>>.
Z: peanut butter, W: polar bear, and C: pelican. You press <<Z>>.
Z: mallet, W: stew, and C: thorn. You press <<C>>.
Z: sickle, W: muff, and C: knot. You press <<Z>>.
Z: domino, W: glove, and C: ticktacktoe. You press <<W>>.
Z: whale, W: yolk, and C: washing machine. You press <<Z>>.
Z: apple, W: notebook, and C: bomb. You press <<C>>.