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

W: block, I: pitchfork, and H: cigarette. You press <<H>>.
W: strap, I: wetsuit, and H: frog. You press <<H>>.
W: vending machine, I: windshield, and H: gong. You press <<H>>.
W: closet, I: dice, and H: manatee. You press <<W>>.
W: envelope, I: garbage, and H: ski pole. You press <<I>>.
W: key, I: apple tree, and H: router. You press <<I>>.
W: gingerbread man, I: foot, and H: roof rack. You press <<I>>.
W: ice, I: horseshoe, and H: starfish. You press <<I>>.
W: grinder, I: branch, and H: wind chimes. You press <<W>>.
W: poppy, I: skateboard, and H: copier. You press <<H>>.
W: avocado, I: knitting needle, and H: catfish. You press <<H>>.
W: couch, I: shrimp, and H: hose. You press <<I>>.
W: fence, I: yak, and H: step stool. You press <<I>>.
W: rose, I: pasta, and H: horseshoe. You press <<W>>.
W: playpen, I: beard, and H: stopwatch. You press <<I>>.
W: scrabble, I: dustpan, and H: orange. You press <<W>>.
W: swing set, I: bookmark, and H: car seat. You press <<I>>.
W: petri dish, I: torso, and H: trolley. You press <<H>>.
W: tugboat, I: baklava, and H: cornhusk. You press <<W>>.
W: gutter, I: bottle, and H: raincoat. You press <<I>>.