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

N: airboat, X: pizza, and Z: swing. You press <<X>>.
N: sandbag, X: petri dish, and Z: ice cream. You press <<Z>>.
N: maggot, X: donkey, and Z: backscratcher. You press <<Z>>.
N: touchpad, X: mousetrap, and Z: sail. You press <<X>>.
N: spear, X: air conditioner, and Z: shoulder. You press <<N>>.
N: ear, X: compost, and Z: breadbox. You press <<X>>.
N: pants, X: powder, and Z: lobster. You press <<Z>>.
N: wire cutters, X: train set, and Z: knob. You press <<Z>>.
N: map, X: playing card, and Z: tortilla. You press <<Z>>.
N: gauze, X: coyote, and Z: spacesuit. You press <<X>>.
N: ivy, X: snorkel, and Z: manatee. You press <<N>>.
N: tuba, X: measuring cup, and Z: cabinet. You press <<N>>.
N: sheep, X: snail, and Z: rocking horse. You press <<X>>.
N: harness, X: pulley, and Z: tennis ball. You press <<Z>>.
N: rain gauge, X: handlebar, and Z: rag. You press <<Z>>.
N: match, X: easel, and Z: lifesaver. You press <<N>>.
N: sausage, X: alligator, and Z: motherboard. You press <<Z>>.
N: airboat, X: pizza, and Z: swing. You press <<X>>.
N: apple tree, X: moose, and Z: gift. You press <<Z>>.
N: cardinal, X: vest, and Z: spoon. You press <<N>>.