You will be presented with triplets of objects, which will be assigned to the keys Z, F, and H.
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: backpack, F: totem pole, and H: water filter. You press <<F>>.
Z: turntable, F: leech, and H: eye patch. You press <<Z>>.
Z: pig, F: seesaw, and H: bagpipe. You press <<Z>>.
Z: bun, F: ferret, and H: turtle. You press <<F>>.
Z: coffee pot, F: sword, and H: photograph. You press <<H>>.
Z: tick, F: helmet, and H: swordfish. You press <<Z>>.
Z: squeegee, F: cannonball, and H: meatloaf. You press <<Z>>.
Z: shell, F: garter, and H: compass. You press <<F>>.
Z: mattress, F: string cheese, and H: pump. You press <<Z>>.
Z: mail, F: pickax, and H: viewfinder. You press <<F>>.
Z: toaster, F: railing, and H: coconut. You press <<H>>.
Z: quad, F: rhinoceros, and H: streetlight. You press <<H>>.
Z: microwave, F: shuffleboard, and H: spider web. You press <<H>>.
Z: cigarette, F: headdress, and H: dishrag. You press <<H>>.
Z: bowtie, F: goalpost, and H: costume. You press <<Z>>.
Z: skull, F: hedge, and H: coffee table. You press <<F>>.
Z: denture, F: ship, and H: mast. You press <<Z>>.
Z: hip, F: figurine, and H: radish. You press <<H>>.
Z: leech, F: eye patch, and H: turntable. You press <<Z>>.
Z: polo shirt, F: pitcher, and H: canvas. You press <<H>>.