You will be presented with triplets of objects, which will be assigned to the keys S, D, 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: tack, D: grate, and P: garbage. You press <<P>>.
S: soup, D: triangle, and P: violin. You press <<S>>.
S: bowling ball, D: block, and P: pearl. You press <<D>>.
S: vulture, D: juicer, and P: ruby. You press <<S>>.
S: bubble wrap, D: rug, and P: roadsweeper. You press <<P>>.
S: cement mixer, D: pecan, and P: gramophone. You press <<D>>.
S: jalapeno, D: punching bag, and P: staple gun. You press <<S>>.
S: shell, D: shoe, and P: omelet. You press <<D>>.
S: gas mask, D: cheeseburger, and P: cardinal. You press <<D>>.
S: puppet, D: wall, and P: foam. You press <<S>>.
S: barbell, D: breathalyzer, and P: railing. You press <<D>>.
S: doily, D: filing cabinet, and P: stomach. You press <<P>>.
S: pennant, D: flute, and P: tuxedo. You press <<S>>.
S: cockroach, D: lip balm, and P: meatball. You press <<P>>.
S: wagon, D: laser pointer, and P: ski pole. You press <<S>>.
S: calamari, D: notebook, and P: meat grinder. You press <<D>>.
S: stiletto, D: carousel, and P: wedge. You press <<D>>.
S: scoop, D: weed, and P: leash. You press <<P>>.
S: banner, D: baton, and P: nail. You press <<S>>.
S: violin, D: triangle, and P: soup. You press <<P>>.