You will be presented with triplets of objects, which will be assigned to the keys A, Y, and X.
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: incense, Y: marshmallow, and X: twig. You press <<Y>>.
A: cash machine, Y: lettuce, and X: tack. You press <<Y>>.
A: turbine, Y: headlamp, and X: ticktacktoe. You press <<X>>.
A: pine tree, Y: parrot, and X: bat. You press <<A>>.
A: snorkel, Y: camera, and X: tape measure. You press <<A>>.
A: strap, Y: baton, and X: drink. You press <<X>>.
A: donkey, Y: violin, and X: barbed wire. You press <<Y>>.
A: puffin, Y: chihuahua, and X: eggbeater. You press <<X>>.
A: earring, Y: snowman, and X: candlestick. You press <<Y>>.
A: praying mantis, Y: slingshot, and X: trapdoor. You press <<A>>.
A: duct, Y: petal, and X: bowtie. You press <<Y>>.
A: paper bag, Y: worm, and X: pencil sharpener. You press <<Y>>.
A: drink, Y: oil, and X: board. You press <<X>>.
A: stove, Y: walker, and X: chopsticks. You press <<A>>.
A: gravestone, Y: mint, and X: shield. You press <<X>>.
A: spark plug, Y: camel, and X: dragonfly. You press <<A>>.
A: kettle, Y: aloe, and X: carriage. You press <<Y>>.
A: sweater, Y: dandelion, and X: pepperoni. You press <<A>>.
A: cash machine, Y: lettuce, and X: tack. You press <<Y>>.
A: snowshoe, Y: shower curtain, and X: straightjacket. You press <<A>>.