You will be presented with triplets of objects, which will be assigned to the keys D, X, and B.
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: surfboard, X: clipboard, and B: periscope. You press <<X>>.
D: fox, X: shaving cream, and B: steamroller. You press <<X>>.
D: shawl, X: polo shirt, and B: inhaler. You press <<B>>.
D: jersey, X: card, and B: tuba. You press <<X>>.
D: chainsaw, X: poster, and B: rock. You press <<X>>.
D: jam, X: bucket, and B: sequin. You press <<X>>.
D: dogfood, X: taffy, and B: wax paper. You press <<D>>.
D: polar bear, X: bedpost, and B: tennis ball. You press <<X>>.
D: dustpan, X: goose, and B: screen. You press <<X>>.
D: loincloth, X: apple tree, and B: cane. You press <<X>>.
D: ship, X: yo-yo, and B: racehorse. You press <<X>>.
D: jelly bean, X: frisbee, and B: sword. You press <<D>>.
D: ambulance, X: jam, and B: kale. You press <<D>>.
D: hammer, X: lifesaver, and B: tweezers. You press <<X>>.
D: bobsled, X: bookmark, and B: fly. You press <<B>>.
D: cigarette, X: gallows, and B: woman. You press <<B>>.
D: dumbwaiter, X: shower curtain, and B: water heater. You press <<D>>.
D: sandpaper, X: cranberry, and B: counter. You press <<X>>.
D: door, X: medal, and B: boxer shorts. You press <<X>>.
D: tea, X: plug, and B: wheel. You press <<D>>.
D: christmas tree, X: cloak, and B: stethoscope. You press <<B>>.
D: lip balm, X: gourd, and B: wall. You press <<X>>.
D: saucer, X: toe, and B: lectern. You press <<X>>.
D: viewfinder, X: wrap, and B: helmet. You press <<X>>.
D: cassette, X: pajamas, and B: pesto. You press <<D>>.
D: emerald, X: kazoo, and B: roll. You press <<D>>.
D: ladder, X: corn, and B: yacht. You press <<X>>.
D: popcorn, X: cardinal, and B: swimming pool. You press <<D>>.
D: polygraph, X: roll, and B: guacamole. You press <<D>>.
D: blouse, X: pool table, and B: watering can. You press <<X>>.
D: clove, X: chisel, and B: rudder. You press <<D>>.
D: gurney, X: licorice, and B: lemonade. You press <<D>>.
D: leotard, X: whale, and B: gutter. You press <<B>>.
D: luggage, X: doll, and B: oven. You press <<B>>.
D: wax, X: shoehorn, and B: lock. You press <<D>>.
D: knob, X: grain, and B: knot. You press <<X>>.
D: accordion, X: amplifier, and B: leotard. You press <<B>>.
D: trashcan, X: satellite, and B: airplane. You press <<D>>.
D: xylophone, X: casserole, and B: shawl. You press <<D>>.
D: gum, X: sled, and B: caviar. You press <<X>>.