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

A: christmas tree, Z: stomach, and E: can. You press <<Z>>.
A: saffron, Z: playing card, and E: necklace. You press <<Z>>.
A: match, Z: combination lock, and E: dumbbell. You press <<A>>.
A: mug, Z: fossil, and E: corsage. You press <<Z>>.
A: card, Z: radiator, and E: wrench. You press <<E>>.
A: mirror, Z: turbine, and E: pitchfork. You press <<E>>.
A: swing, Z: polisher, and E: lock. You press <<A>>.
A: barrel, Z: wrapping paper, and E: heater. You press <<Z>>.
A: donut, Z: garbage truck, and E: brick. You press <<A>>.
A: chaps, Z: lamp, and E: kale. You press <<A>>.
A: thumb, Z: alpaca, and E: scone. You press <<A>>.
A: yak, Z: lamb chop, and E: breadbox. You press <<A>>.
A: briefcase, Z: soda, and E: taco. You press <<A>>.
A: totem pole, Z: toast, and E: bear. You press <<Z>>.
A: flower, Z: bowl, and E: beet. You press <<Z>>.
A: bulletin board, Z: breadstick, and E: shell. You press <<Z>>.
A: puddle, Z: pepperoni, and E: brace. You press <<E>>.
A: ant, Z: prune, and E: toothpaste. You press <<A>>.
A: flamethrower, Z: electric chair, and E: gurney. You press <<A>>.
A: fossil, Z: mug, and E: corsage. You press <<E>>.