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

X: plum, W: kangaroo, and R: watch. You press <<R>>.
X: scale, W: whip, and R: highlighter. You press <<W>>.
X: keg, W: mud, and R: counter. You press <<X>>.
X: lab coat, W: breathalyzer, and R: catfish. You press <<W>>.
X: snowman, W: alpaca, and R: laser pointer. You press <<R>>.
X: coverall, W: treadmill, and R: glue. You press <<R>>.
X: canvas, W: water cooler, and R: quesadilla. You press <<R>>.
X: casserole, W: snowshoe, and R: skull. You press <<X>>.
X: candy cane, W: pineapple, and R: staple gun. You press <<R>>.
X: boa, W: amber, and R: rollerblade. You press <<W>>.
X: car, W: tack, and R: gift. You press <<W>>.
X: basket, W: lion, and R: paper bag. You press <<W>>.
X: license plate, W: space shuttle, and R: canvas. You press <<W>>.
X: gumdrop, W: birdbath, and R: dirt bike. You press <<X>>.
X: school bus, W: jeep, and R: brass knuckles. You press <<R>>.
X: kebab, W: jetski, and R: bucket. You press <<X>>.
X: straightjacket, W: oar, and R: swan. You press <<X>>.
X: satellite, W: scoreboard, and R: puddle. You press <<W>>.
X: bread, W: cabinet, and R: cleaver. You press <<W>>.
X: measuring cup, W: sock, and R: muff. You press <<X>>.