You will be presented with triplets of objects, which will be assigned to the keys S, U, and P.
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.

S: rocking chair, U: ankle, and P: trident. You press <<U>>.
S: frame, U: speaker, and P: first-aid kit. You press <<P>>.
S: goalpost, U: pencil, and P: dryer. You press <<U>>.
S: table, U: radio, and P: roof rack. You press <<S>>.
S: wax paper, U: christmas card, and P: foam. You press <<P>>.
S: strap, U: fossil, and P: place mat. You press <<U>>.
S: koala, U: beanie, and P: metronome. You press <<P>>.
S: van, U: beanie, and P: dart. You press <<U>>.
S: sprouts, U: flan, and P: bowtie. You press <<P>>.
S: subway, U: car door, and P: tarantula. You press <<P>>.
S: ice pack, U: nightshirt, and P: coal. You press <<P>>.
S: headrest, U: hobbyhorse, and P: cardigan. You press <<P>>.
S: crutch, U: razor, and P: butter. You press <<P>>.
S: octopus, U: boulder, and P: windsock. You press <<S>>.
S: walrus, U: amplifier, and P: pothole. You press <<S>>.
S: ballot box, U: crayfish, and P: fruit. You press <<P>>.
S: coffeemaker, U: chainsaw, and P: duct. You press <<S>>.
S: microphone, U: coffin, and P: cinnamon. You press <<P>>.
S: mold, U: squirt gun, and P: ivy. You press <<U>>.
S: snowplow, U: horn, and P: swab. You press <<S>>.