You will be presented with triplets of objects, which will be assigned to the keys D, H, and M.
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.

D: computer screen, H: letter opener, and M: jump rope. You press <<D>>.
D: worm, H: curtain, and M: skin. You press <<H>>.
D: thumbtack, H: underwear, and M: gutter. You press <<M>>.
D: cellphone, H: test tube, and M: scarf. You press <<H>>.
D: flatiron, H: lingerie, and M: beaver. You press <<D>>.
D: carrot, H: flower, and M: owl. You press <<D>>.
D: tape measure, H: light switch, and M: necklace. You press <<M>>.
D: zipper, H: gavel, and M: pear. You press <<M>>.
D: whale, H: cruise ship, and M: ping-pong table. You press <<M>>.
D: comic book, H: wetsuit, and M: toolbox. You press <<H>>.
D: baklava, H: melon, and M: meat grinder. You press <<H>>.
D: sandal, H: piglet, and M: sailboat. You press <<H>>.
D: canvas, H: key, and M: slipper. You press <<H>>.
D: door, H: panda, and M: pretzel. You press <<H>>.
D: alpaca, H: dresser, and M: curling iron. You press <<D>>.
D: scraper, H: dagger, and M: cactus. You press <<M>>.
D: mitten, H: cloak, and M: backscratcher. You press <<H>>.
D: trumpet, H: soup, and M: blimp. You press <<M>>.
D: manatee, H: wheelchair, and M: hoe. You press <<H>>.
D: wrap, H: fingerprint, and M: vial. You press <<D>>.