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

X: eggnog, E: string cheese, and Z: net. You press <<X>>.
X: seal, E: chest, and Z: nail clippers. You press <<Z>>.
X: grater, E: salad, and Z: fireworks. You press <<Z>>.
X: panther, E: hummus, and Z: cantaloupe. You press <<X>>.
X: flashlight, E: highlighter, and Z: cocktail. You press <<Z>>.
X: confetti, E: bubble, and Z: hovercraft. You press <<Z>>.
X: oilcan, E: dynamite, and Z: guillotine. You press <<Z>>.
X: possum, E: soda fountain, and Z: memory stick. You press <<X>>.
X: chalkboard, E: computer screen, and Z: sponge. You press <<Z>>.
X: goalpost, E: calamari, and Z: gargoyle. You press <<E>>.
X: whistle, E: eyedropper, and Z: blanket. You press <<Z>>.
X: crutch, E: lobster, and Z: bumper. You press <<Z>>.
X: guitar, E: cilantro, and Z: sand. You press <<X>>.
X: icemaker, E: ferret, and Z: peppermint. You press <<E>>.
X: tube top, E: horseshoe, and Z: dirt bike. You press <<X>>.
X: leek, E: inkwell, and Z: bread. You press <<E>>.
X: string cheese, E: eggnog, and Z: net. You press <<E>>.
X: torch, E: frame, and Z: teapot. You press <<Z>>.
X: pinwheel, E: jar, and Z: eye. You press <<E>>.
X: ram, E: neck, and Z: dishrag. You press <<Z>>.