You will be presented with triplets of objects, which will be assigned to the keys Z, D, and O.
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: drawer, D: ski lift, and O: stair. You press <<D>>.
Z: spacesuit, D: armor, and O: ball. You press <<O>>.
Z: kite, D: bat, and O: fireworks. You press <<D>>.
Z: handlebar, D: gift, and O: neck. You press <<D>>.
Z: t-shirt, D: rooster, and O: ravioli. You press <<Z>>.
Z: siren, D: panda, and O: anteater. You press <<Z>>.
Z: odometer, D: gravel, and O: figurine. You press <<Z>>.
Z: handprint, D: foot, and O: card. You press <<Z>>.
Z: mail, D: motorcycle, and O: iguana. You press <<O>>.
Z: battery, D: brownie, and O: potpie. You press <<Z>>.
Z: cornmeal, D: meatloaf, and O: cash machine. You press <<O>>.
Z: dough, D: electric chair, and O: meatloaf. You press <<D>>.
Z: screw, D: breadbox, and O: hole. You press <<O>>.
Z: playpen, D: furnace, and O: tomato. You press <<D>>.
Z: watch, D: shark, and O: sewage. You press <<Z>>.
Z: rudder, D: file, and O: tube top. You press <<O>>.
Z: hat, D: stick, and O: panties. You press <<D>>.
Z: stair, D: laser pointer, and O: plate. You press <<O>>.
Z: licorice, D: volleyball, and O: luggage. You press <<D>>.
Z: stump, D: leopard, and O: skin. You press <<O>>.
Z: basketball hoop, D: shoulder, and O: crumb. You press <<Z>>.
Z: trashcan, D: toothpick, and O: organ. You press <<Z>>.
Z: chalkboard, D: magnifier, and O: creme brulee. You press <<O>>.
Z: seismograph, D: blackberry, and O: nose. You press <<Z>>.
Z: kangaroo, D: suspenders, and O: turbine. You press <<Z>>.
Z: blindfold, D: scooter, and O: horn. You press <<O>>.
Z: oven, D: macaroni, and O: tomato sauce. You press <<Z>>.
Z: pedal, D: pillbox, and O: kazoo. You press <<O>>.
Z: spring roll, D: towel, and O: barrel. You press <<Z>>.
Z: lens, D: bookshelf, and O: cotton candy. You press <<D>>.
Z: shorts, D: candy bar, and O: grille. You press <<O>>.
Z: bell pepper, D: combination lock, and O: speedometer. You press <<Z>>.
Z: coil, D: sheep, and O: solar panel. You press <<D>>.
Z: turnstile, D: deer, and O: arugula. You press <<O>>.
Z: keg, D: chinaware, and O: eagle. You press <<O>>.
Z: squirrel, D: catapult, and O: notepad. You press <<O>>.
Z: swordfish, D: fire alarm, and O: tostada. You press <<Z>>.
Z: sunroof, D: maggot, and O: fence. You press <<Z>>.
Z: shell, D: air mattress, and O: suitcase. You press <<Z>>.
Z: jeep, D: crane, and O: wasp. You press <<O>>.
Z: bib, D: corkboard, and O: deer. You press <<O>>.
Z: hood, D: pickle, and O: barbed wire. You press <<Z>>.
Z: aquarium, D: olive, and O: wing. You press <<O>>.
Z: candy, D: baseball, and O: slicer. You press <<O>>.
Z: clipper, D: cheesecake, and O: dessert. You press <<Z>>.
Z: coleslaw, D: golf club, and O: water fountain. You press <<Z>>.
Z: watch, D: guillotine, and O: gazelle. You press <<O>>.
Z: amplifier, D: eyepiece, and O: ironing board. You press <<O>>.
Z: tongue, D: banana, and O: recliner. You press <<O>>.
Z: showerhead, D: barrette, and O: green beans. You press <<O>>.
Z: pincushion, D: coffee filter, and O: bread. You press <<Z>>.
Z: egg, D: trombone, and O: playpen. You press <<D>>.
Z: shirt, D: bonsai, and O: kitten. You press <<D>>.
Z: napkin, D: mint, and O: grain. You press <<D>>.
Z: curtain, D: boot, and O: ladle. You press <<D>>.
Z: cellphone, D: ticktacktoe, and O: frisbee. You press <<D>>.
Z: smoothie, D: cocoon, and O: floss. You press <<O>>.
Z: footbath, D: sauerkraut, and O: gas mask. You press <<O>>.
Z: toolbox, D: smoke alarm, and O: cloud. You press <<O>>.
Z: cocktail, D: bolt, and O: washboard. You press <<Z>>.