You will be presented with triplets of objects, which will be assigned to the keys Q, S, and A.
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.

Q: roulette wheel, S: mallet, and A: skirt. You press <<A>>.
Q: chalk, S: water fountain, and A: starfish. You press <<Q>>.
Q: christmas tree, S: sand, and A: coverall. You press <<S>>.
Q: scanner, S: keyboard, and A: float. You press <<A>>.
Q: cheetah, S: piglet, and A: refrigerator. You press <<A>>.
Q: shutter, S: snorkel, and A: swimsuit. You press <<Q>>.
Q: suit, S: star fruit, and A: vase. You press <<S>>.
Q: sling, S: boat, and A: incubator. You press <<A>>.
Q: batter, S: gear, and A: photo booth. You press <<A>>.
Q: submarine, S: feather, and A: shuffleboard. You press <<A>>.
Q: garlic, S: gyro, and A: cheeseburger. You press <<Q>>.
Q: quilt, S: beard, and A: satellite. You press <<S>>.
Q: enchilada, S: pine needle, and A: barcode. You press <<A>>.
Q: harmonica, S: nail file, and A: teabag. You press <<S>>.
Q: petri dish, S: mole, and A: coffee table. You press <<S>>.
Q: harmonica, S: taco, and A: stirrup. You press <<S>>.
Q: nail file, S: grapefruit, and A: puffin. You press <<Q>>.
Q: juicer, S: phone booth, and A: license plate. You press <<Q>>.
Q: tortellini, S: blueberry, and A: waffle. You press <<Q>>.
Q: flask, S: margarita, and A: pea. You press <<A>>.