You will be presented with triplets of objects, which will be assigned to the keys Z, W, 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: battery, W: broccoli, and O: ladybug. You press <<Z>>.
Z: gyro, W: perfume, and O: jewel. You press <<Z>>.
Z: nightshirt, W: blanket, and O: tongs. You press <<O>>.
Z: wok, W: paper, and O: pepper. You press <<W>>.
Z: mirror, W: penguin, and O: toilet. You press <<W>>.
Z: drawer, W: mint, and O: tooth. You press <<Z>>.
Z: dresser, W: shoe polish, and O: piano. You press <<Z>>.
Z: aloe, W: coal, and O: whipped cream. You press <<W>>.
Z: landmine, W: patty, and O: eggplant. You press <<Z>>.
Z: flatiron, W: knee, and O: spider web. You press <<Z>>.
Z: penlight, W: slug, and O: clasp. You press <<W>>.
Z: recliner, W: shower, and O: duckling. You press <<O>>.
Z: pony, W: matchbox, and O: dart. You press <<Z>>.
Z: lavender, W: scrambled egg, and O: seismograph. You press <<W>>.
Z: van, W: puppet, and O: wind chimes. You press <<W>>.
Z: taco, W: mashed potato, and O: armor. You press <<O>>.
Z: pants, W: armor, and O: macadamia. You press <<O>>.
Z: beard, W: chess piece, and O: sewage. You press <<W>>.
Z: jellyfish, W: golf club, and O: mousepad. You press <<Z>>.
Z: parking meter, W: cuckoo clock, and O: touchpad. You press <<O>>.