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

I: hole, X: mandolin, and Z: sandal. You press <<I>>.
I: calculator, X: gallows, and Z: pita. You press <<Z>>.
I: basil, X: blind, and Z: croissant. You press <<X>>.
I: computer, X: broccoli, and Z: banana split. You press <<I>>.
I: guardrail, X: boomerang, and Z: wheelbarrow. You press <<X>>.
I: squirt gun, X: soccer ball, and Z: slot. You press <<Z>>.
I: icicle, X: log, and Z: peanut. You press <<Z>>.
I: altar, X: van, and Z: petal. You press <<X>>.
I: swing set, X: syringe, and Z: quesadilla. You press <<Z>>.
I: mongoose, X: mast, and Z: slot machine. You press <<I>>.
I: stockings, X: pocket watch, and Z: scooter. You press <<Z>>.
I: bracelet, X: noodle, and Z: tambourine. You press <<X>>.
I: shopping cart, X: icemaker, and Z: stained glass. You press <<X>>.
I: rollerblade, X: ball, and Z: cup. You press <<Z>>.
I: chicken, X: quesadilla, and Z: badger. You press <<Z>>.
I: top hat, X: whoopee cushion, and Z: uniform. You press <<X>>.
I: projector, X: stove, and Z: tarp. You press <<I>>.
I: comic book, X: rug, and Z: ferret. You press <<Z>>.
I: lumber, X: punching bag, and Z: ski. You press <<I>>.
I: computer, X: hairnet, and Z: starfish. You press <<I>>.