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

R: fireworks, X: doorknocker, and Q: stretcher. You press <<X>>.
R: cardboard, X: throne, and Q: boxing gloves. You press <<R>>.
R: weather vane, X: thermostat, and Q: space shuttle. You press <<Q>>.
R: bug, X: turntable, and Q: macaroni. You press <<R>>.
R: paper, X: squeegee, and Q: bobsled. You press <<Q>>.
R: gallows, X: hawk, and Q: mallet. You press <<X>>.
R: telephone pole, X: dress, and Q: pine tree. You press <<X>>.
R: stained glass, X: lip balm, and Q: sling. You press <<X>>.
R: tortilla, X: prune, and Q: petal. You press <<Q>>.
R: combination lock, X: finger, and Q: crossbow. You press <<Q>>.
R: leech, X: kitten, and Q: poinsettia. You press <<Q>>.
R: cable, X: eel, and Q: stapler. You press <<X>>.
R: spout, X: handle, and Q: caviar. You press <<Q>>.
R: rack, X: baseball bat, and Q: peeler. You press <<Q>>.
R: mouth, X: firewood, and Q: ferris wheel. You press <<X>>.
R: chinaware, X: sprouts, and Q: broom. You press <<Q>>.
R: panther, X: lectern, and Q: seaplane. You press <<X>>.
R: calf, X: railing, and Q: roadsweeper. You press <<Q>>.
R: buffet, X: diskette, and Q: pen. You press <<R>>.
R: wooden leg, X: glass, and Q: gondola. You press <<Q>>.