You will be presented with triplets of objects, which will be assigned to the keys H, X, and S.
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: tostada, X: mast, and S: sloth. You press <<X>>.
H: fruit, X: windshield wiper, and S: shuffleboard. You press <<H>>.
H: car, X: soldering iron, and S: safety pin. You press <<H>>.
H: underwear, X: camera, and S: hairspray. You press <<H>>.
H: dessert, X: guinea pig, and S: calf. You press <<H>>.
H: telegraph, X: cuckoo clock, and S: chalk. You press <<S>>.
H: flan, X: coleslaw, and S: rug. You press <<S>>.
H: corkboard, X: grain, and S: chicken. You press <<H>>.
H: crank, X: wheelbarrow, and S: padlock. You press <<H>>.
H: rollerskate, X: pendulum, and S: cream. You press <<H>>.
H: viewfinder, X: shears, and S: earring. You press <<S>>.
H: reel, X: silicone, and S: olive. You press <<H>>.
H: plunger, X: cheeseburger, and S: electric chair. You press <<X>>.
H: water filter, X: pantsuit, and S: hobbyhorse. You press <<S>>.
H: gravel, X: seagull, and S: ironing board. You press <<S>>.
H: tiger, X: tackle, and S: feather. You press <<X>>.
H: ping-pong table, X: toilet, and S: cotton candy. You press <<X>>.
H: jigsaw puzzle, X: boxer shorts, and S: kayak. You press <<H>>.
H: mandolin, X: buffet, and S: sarcophagus. You press <<S>>.
H: vent, X: trident, and S: ping-pong table. You press <<S>>.