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

O: glue, X: mouthpiece, and P: hedgehog. You press <<P>>.
O: outlet, X: pasta, and P: skirt. You press <<O>>.
O: gift, X: peppermint, and P: champagne. You press <<O>>.
O: dragonfly, X: jetski, and P: windsock. You press <<O>>.
O: comic book, X: stuffing, and P: hair. You press <<P>>.
O: cash register, X: curry, and P: teddy bear. You press <<X>>.
O: plaster cast, X: drain, and P: casserole. You press <<X>>.
O: bowtie, X: confetti, and P: carriage. You press <<P>>.
O: radiator, X: ping-pong table, and P: soda. You press <<P>>.
O: hard disk, X: spout, and P: tulip. You press <<O>>.
O: laser pointer, X: tennis ball, and P: oven. You press <<X>>.
O: train set, X: dishrag, and P: jug. You press <<P>>.
O: meatball, X: fruitcake, and P: basketball. You press <<P>>.
O: screw, X: lampshade, and P: flipper. You press <<P>>.
O: pulley, X: letter opener, and P: granola. You press <<P>>.
O: kale, X: coffeemaker, and P: strainer. You press <<O>>.
O: pepper, X: barnacle, and P: hotdog. You press <<P>>.
O: hoodie, X: cable, and P: clock. You press <<O>>.
O: salami, X: backgammon, and P: bottle opener. You press <<X>>.
O: espresso, X: trough, and P: gravy. You press <<X>>.