You will be presented with triplets of objects, which will be assigned to the keys V, O, 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.

V: trunk, O: sea urchin, and P: oil. You press <<O>>.
V: painting, O: sandwich, and P: minivan. You press <<P>>.
V: cornucopia, O: axe, and P: cabbage. You press <<O>>.
V: bookmark, O: music box, and P: locket. You press <<V>>.
V: domino, O: tractor, and P: rat. You press <<V>>.
V: flashlight, O: shelf, and P: anklet. You press <<P>>.
V: recliner, O: drink, and P: urn. You press <<P>>.
V: chocolate, O: lamb, and P: letter opener. You press <<O>>.
V: lightbulb, O: ice cream, and P: peach. You press <<V>>.
V: macadamia, O: beehive, and P: baton. You press <<P>>.
V: ruler, O: washing machine, and P: teepee. You press <<O>>.
V: mud, O: helmet, and P: eclair. You press <<O>>.
V: sail, O: charger, and P: seismograph. You press <<V>>.
V: zebra, O: root, and P: champagne. You press <<P>>.
V: tapestry, O: birthday cake, and P: shower cap. You press <<O>>.
V: laptop, O: gas mask, and P: riser. You press <<O>>.
V: exhaust pipe, O: ice cream, and P: stick. You press <<O>>.
V: cobra, O: chipmunk, and P: grain. You press <<P>>.
V: station wagon, O: mantle, and P: lectern. You press <<V>>.
V: water cooler, O: octopus, and P: strainer. You press <<O>>.