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

K: turbine, H: tarantula, and D: hockey stick. You press <<H>>.
K: ice-cream cone, H: gopher, and D: test tube. You press <<H>>.
K: forklift, H: plaster cast, and D: birdcage. You press <<H>>.
K: pudding, H: beard, and D: truck. You press <<H>>.
K: raincoat, H: bok choy, and D: donkey. You press <<H>>.
K: aquarium, H: towel, and D: meatball. You press <<D>>.
K: rug, H: magnifier, and D: barnacle. You press <<D>>.
K: crayfish, H: rose, and D: domino. You press <<K>>.
K: burner, H: feather, and D: bow. You press <<H>>.
K: caviar, H: puffin, and D: bra. You press <<H>>.
K: speedboat, H: camera, and D: spider web. You press <<K>>.
K: ironing board, H: headset, and D: denture. You press <<D>>.
K: computer screen, H: stuffing, and D: honeypot. You press <<H>>.
K: pencil, H: wheat, and D: pantyhose. You press <<D>>.
K: ski, H: tile, and D: keg. You press <<K>>.
K: rocking chair, H: cufflink, and D: cornbread. You press <<D>>.
K: rubber band, H: cassette, and D: rust. You press <<K>>.
K: carriage, H: hedge, and D: hot-water bottle. You press <<H>>.
K: penlight, H: raft, and D: dice. You press <<H>>.
K: doll, H: briefcase, and D: slot machine. You press <<K>>.