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

S: copier, N: twig, and Z: yo-yo. You press <<S>>.
S: bowling ball, N: teepee, and Z: bank. You press <<N>>.
S: omelet, N: wrap, and Z: thumbtack. You press <<Z>>.
S: pendulum, N: cinnamon, and Z: cocktail. You press <<S>>.
S: starfish, N: train, and Z: water bottle. You press <<N>>.
S: slot, N: sawhorse, and Z: hot-air balloon. You press <<Z>>.
S: pothole, N: ferry, and Z: lamb chop. You press <<Z>>.
S: rack, N: tiger, and Z: coffee. You press <<N>>.
S: backpack, N: whipped cream, and Z: bathtub. You press <<S>>.
S: retainer, N: seahorse, and Z: wrap. You press <<Z>>.
S: trowel, N: turntable, and Z: snowboard. You press <<Z>>.
S: cruise ship, N: chopsticks, and Z: bib. You press <<Z>>.
S: lumber, N: defibrillator, and Z: starfish. You press <<N>>.
S: swordfish, N: nail file, and Z: blueberry. You press <<N>>.
S: dynamite, N: lollipop, and Z: microscope. You press <<Z>>.
S: flower, N: column, and Z: volleyball. You press <<N>>.
S: crystal, N: burrito, and Z: appetizer. You press <<S>>.
S: octopus, N: bell, and Z: basketball. You press <<N>>.
S: home plate, N: slicer, and Z: siren. You press <<S>>.
S: bison, N: ant, and Z: arch. You press <<Z>>.