You will be presented with triplets of objects, which will be assigned to the keys H, R, and I.
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: touchpad, R: apple, and I: spring roll. You press <<H>>.
H: lava, R: headdress, and I: octopus. You press <<R>>.
H: antenna, R: tugboat, and I: jar. You press <<H>>.
H: horse, R: baton, and I: screen. You press <<R>>.
H: shawl, R: jump rope, and I: tiger. You press <<R>>.
H: dish, R: bow, and I: periscope. You press <<I>>.
H: bubble, R: aardvark, and I: cannonball. You press <<R>>.
H: walker, R: aircraft carrier, and I: chess piece. You press <<R>>.
H: seaplane, R: bungee, and I: bulldozer. You press <<R>>.
H: honey, R: leek, and I: bus. You press <<I>>.
H: slot, R: dresser, and I: poodle. You press <<I>>.
H: motherboard, R: gramophone, and I: pajamas. You press <<I>>.
H: knitting, R: macadamia, and I: remote control. You press <<I>>.
H: banjo, R: footbath, and I: inkwell. You press <<R>>.
H: sledgehammer, R: christmas card, and I: camper. You press <<I>>.
H: stingray, R: ram, and I: scarf. You press <<I>>.
H: gravy, R: car seat, and I: bedpost. You press <<H>>.
H: clover, R: freezer, and I: toothpick. You press <<R>>.
H: trapdoor, R: iceskate, and I: eye patch. You press <<H>>.
H: pogo stick, R: ram, and I: frame. You press <<I>>.