You will be presented with triplets of objects, which will be assigned to the keys Z, G, and K.
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: gem, G: scallion, and K: chute. You press <<Z>>.
Z: strawberry, G: stamp, and K: bison. You press <<Z>>.
Z: ashtray, G: rollerblade, and K: dreidel. You press <<Z>>.
Z: steamroller, G: lip balm, and K: dryer. You press <<G>>.
Z: tent, G: suspenders, and K: bowtie. You press <<Z>>.
Z: peanut butter, G: can opener, and K: dice. You press <<Z>>.
Z: christmas card, G: goldfish, and K: onion. You press <<G>>.
Z: mast, G: blinder, and K: bowl. You press <<Z>>.
Z: banana, G: airplane, and K: gurney. You press <<Z>>.
Z: piecrust, G: tie, and K: latch. You press <<Z>>.
Z: firetruck, G: canister, and K: pom-pom. You press <<G>>.
Z: ear, G: funnel, and K: donut. You press <<Z>>.
Z: canister, G: paper towel, and K: blueberry. You press <<G>>.
Z: chain, G: paper plate, and K: treasure. You press <<G>>.
Z: electric chair, G: chickpea, and K: suspenders. You press <<G>>.
Z: tube top, G: bazooka, and K: possum. You press <<Z>>.
Z: lizard, G: shopping basket, and K: dessert. You press <<Z>>.
Z: dumpling, G: photograph, and K: marker. You press <<K>>.
Z: swimming pool, G: cable, and K: pony. You press <<Z>>.
Z: prune, G: saffron, and K: pallet. You press <<K>>.