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

F: tractor, Q: creme brulee, and R: rattle. You press <<Q>>.
F: light switch, Q: helicopter, and R: noisemaker. You press <<F>>.
F: riser, Q: bubble wrap, and R: bead. You press <<F>>.
F: domino, Q: jersey, and R: fire alarm. You press <<Q>>.
F: memory stick, Q: cardboard, and R: tostada. You press <<R>>.
F: awning, Q: tree trunk, and R: emerald. You press <<F>>.
F: hard disk, Q: pencil sharpener, and R: easter egg. You press <<R>>.
F: whipped cream, Q: diamond, and R: koala. You press <<F>>.
F: scanner, Q: rhinoceros, and R: paper plate. You press <<Q>>.
F: map, Q: chainsaw, and R: stopwatch. You press <<Q>>.
F: scrambled egg, Q: puffin, and R: paper towel. You press <<R>>.
F: hyena, Q: flask, and R: hubcap. You press <<F>>.
F: oil, Q: chimney, and R: flyswatter. You press <<F>>.
F: crossbow, Q: skin, and R: tripod. You press <<Q>>.
F: rust, Q: badger, and R: horse. You press <<F>>.
F: bell, Q: gun, and R: turntable. You press <<R>>.
F: rabbit, Q: domino, and R: shears. You press <<Q>>.
F: turntable, Q: marker, and R: timer. You press <<Q>>.
F: food processor, Q: pastry, and R: tongs. You press <<Q>>.
F: velcro, Q: ferry, and R: cheetah. You press <<R>>.