You will be presented with triplets of objects, which will be assigned to the keys W, H, and X.
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: windshield, H: guinea pig, and X: firetruck. You press <<H>>.
W: file, H: chickpea, and X: underwear. You press <<X>>.
W: crown, H: key, and X: bubble. You press <<X>>.
W: robe, H: paint, and X: nail. You press <<W>>.
W: flan, H: pita, and X: gramophone. You press <<X>>.
W: spider web, H: bark, and X: roulette wheel. You press <<X>>.
W: detonator, H: maple syrup, and X: noose. You press <<W>>.
W: triangle, H: origami, and X: record. You press <<H>>.
W: board game, H: toucan, and X: frame. You press <<H>>.
W: globe, H: step stool, and X: swizzle stick. You press <<W>>.
W: bookmark, H: seal, and X: sandpaper. You press <<H>>.
W: boomerang, H: baton, and X: remote control. You press <<X>>.
W: piecrust, H: glass, and X: gong. You press <<X>>.
W: plate, H: saw, and X: boy. You press <<X>>.
W: pudding, H: mango, and X: diaper. You press <<X>>.
W: saxophone, H: duffel bag, and X: water heater. You press <<H>>.
W: scoreboard, H: bison, and X: scrambled egg. You press <<W>>.
W: anteater, H: unicycle, and X: computer screen. You press <<W>>.
W: pin, H: yacht, and X: train. You press <<W>>.
W: lawnmower, H: chandelier, and X: jalapeno. You press <<H>>.