You will be presented with triplets of objects, which will be assigned to the keys W, G, and Z.
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: spam, G: duck, and Z: javelin. You press <<Z>>.
W: yo-yo, G: orange rind, and Z: cornbread. You press <<W>>.
W: waffle iron, G: blazer, and Z: slime. You press <<G>>.
W: arch, G: potholder, and Z: melon. You press <<Z>>.
W: pie, G: biscuit, and Z: ukulele. You press <<Z>>.
W: defibrillator, G: sledgehammer, and Z: duckling. You press <<Z>>.
W: girl, G: candy cane, and Z: wine bottle. You press <<Z>>.
W: christmas tree, G: shrimp, and Z: lion. You press <<W>>.
W: straw, G: whoopee cushion, and Z: face. You press <<Z>>.
W: hinge, G: chinaware, and Z: wire cutters. You press <<G>>.
W: mandolin, G: gavel, and Z: hamster. You press <<Z>>.
W: bell, G: table, and Z: yak. You press <<G>>.
W: mat, G: handkerchief, and Z: pine needle. You press <<Z>>.
W: clipper, G: money, and Z: trombone. You press <<G>>.
W: shawl, G: shoelace, and Z: sledgehammer. You press <<Z>>.
W: backpack, G: confetti, and Z: rope. You press <<G>>.
W: suit, G: french fries, and Z: ruby. You press <<G>>.
W: tamale, G: plastic film, and Z: mop. You press <<W>>.
W: drain, G: telephone pole, and Z: jersey. You press <<Z>>.
W: golf cart, G: urinal, and Z: crayfish. You press <<Z>>.