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

Z: fire pit, H: orchid, and X: jam. You press <<H>>.
Z: carousel, H: turf, and X: thumbtack. You press <<H>>.
Z: chips, H: blowfish, and X: yolk. You press <<H>>.
Z: bacon, H: projector, and X: omelet. You press <<H>>.
Z: mattress, H: knitting needle, and X: headscarf. You press <<H>>.
Z: jeep, H: margarita, and X: clipper. You press <<H>>.
Z: jetski, H: pill, and X: grape. You press <<Z>>.
Z: eye patch, H: chute, and X: bird. You press <<Z>>.
Z: footrest, H: meatball, and X: kale. You press <<Z>>.
Z: puddle, H: harmonica, and X: car door. You press <<Z>>.
Z: tooth, H: water cooler, and X: camel. You press <<Z>>.
Z: duffel bag, H: ski pole, and X: dress. You press <<H>>.
Z: granola, H: coat, and X: sandpaper. You press <<Z>>.
Z: dragonfly, H: hotplate, and X: fire pit. You press <<Z>>.
Z: ping-pong table, H: dishrag, and X: fishing pole. You press <<Z>>.
Z: pillbox, H: cockroach, and X: tank. You press <<X>>.
Z: cleat, H: buggy, and X: toothpick. You press <<X>>.
Z: glass, H: cash machine, and X: glasses. You press <<H>>.
Z: music box, H: ball, and X: globe. You press <<Z>>.
Z: girl, H: waffle iron, and X: sofa bed. You press <<H>>.