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

H: workbench, Z: wagon, and U: ferris wheel. You press <<U>>.
H: lightning bug, Z: seed, and U: album. You press <<U>>.
H: sailboat, Z: quiche, and U: shears. You press <<Z>>.
H: sweet potato, Z: whale, and U: wheel. You press <<U>>.
H: basketball, Z: memory stick, and U: arch. You press <<U>>.
H: rag, Z: gramophone, and U: eyeliner. You press <<H>>.
H: door, Z: puppy, and U: dip. You press <<Z>>.
H: potato, Z: leaf, and U: sequin. You press <<U>>.
H: toucan, Z: pug, and U: toothpaste. You press <<U>>.
H: bag, Z: tortilla, and U: chime. You press <<Z>>.
H: first-aid kit, Z: cinnamon, and U: table. You press <<Z>>.
H: windsock, Z: ticktacktoe, and U: baseball bat. You press <<Z>>.
H: lettuce, Z: raisin, and U: trolley. You press <<U>>.
H: lampshade, Z: swab, and U: straw. You press <<H>>.
H: lemonade, Z: fruitcake, and U: sushi. You press <<H>>.
H: racehorse, Z: tablet, and U: motorcycle. You press <<Z>>.
H: guacamole, Z: lip gloss, and U: door. You press <<U>>.
H: toaster, Z: sickle, and U: pothole. You press <<U>>.
H: kazoo, Z: furnace, and U: cream cheese. You press <<Z>>.
H: hose, Z: polo shirt, and U: peg. You press <<U>>.