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

H: scuba, R: brush, and Q: mouth. You press <<H>>.
H: saddle, R: puck, and Q: praying mantis. You press <<Q>>.
H: pipe, R: enchilada, and Q: screwdriver. You press <<R>>.
H: router, R: flashbulb, and Q: mustache. You press <<Q>>.
H: mud, R: bumper, and Q: milk. You press <<R>>.
H: ink, R: coat, and Q: camper. You press <<Q>>.
H: truck, R: sofa bed, and Q: tuxedo. You press <<Q>>.
H: coverall, R: eyedropper, and Q: hairnet. You press <<H>>.
H: wall, R: calculator, and Q: compass. You press <<R>>.
H: bench, R: ice-cream cone, and Q: yolk. You press <<H>>.
H: mast, R: basil, and Q: guacamole. You press <<H>>.
H: sheath, R: shoe polish, and Q: blanket. You press <<Q>>.
H: gel, R: toy, and Q: hat. You press <<H>>.
H: cross, R: stingray, and Q: bobsled. You press <<H>>.
H: locker, R: tank, and Q: cow. You press <<Q>>.
H: pear, R: creme brulee, and Q: croissant. You press <<H>>.
H: car door, R: staple gun, and Q: scissors. You press <<H>>.
H: weather vane, R: gravestone, and Q: turntable. You press <<Q>>.
H: staple gun, R: sifter, and Q: loincloth. You press <<Q>>.
H: scaffold, R: cooler, and Q: photo booth. You press <<H>>.