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

X: flatiron, E: pool table, and Z: cucumber. You press <<Z>>.
X: kangaroo, E: cat, and Z: pet food. You press <<X>>.
X: ruler, E: holster, and Z: basket. You press <<E>>.
X: stew, E: face, and Z: sweatsuit. You press <<X>>.
X: dart, E: floss, and Z: patch. You press <<X>>.
X: scallion, E: bug, and Z: barbed wire. You press <<Z>>.
X: crayfish, E: thumb, and Z: grate. You press <<Z>>.
X: veil, E: leek, and Z: suitcase. You press <<E>>.
X: bead, E: chain, and Z: amplifier. You press <<Z>>.
X: pet food, E: couch, and Z: lid. You press <<X>>.
X: toe, E: tuxedo, and Z: sword. You press <<Z>>.
X: key, E: jump rope, and Z: razor. You press <<E>>.
X: jalapeno, E: guardrail, and Z: lipstick. You press <<E>>.
X: rat, E: pump, and Z: medal. You press <<Z>>.
X: parrot, E: amplifier, and Z: trowel. You press <<E>>.
X: shower cap, E: sparkler, and Z: hammer. You press <<Z>>.
X: bow, E: sidecar, and Z: bowling ball. You press <<E>>.
X: wagon, E: pudding, and Z: board game. You press <<X>>.
X: bulletin board, E: fly, and Z: teepee. You press <<Z>>.
X: puck, E: totem pole, and Z: game. You press <<X>>.