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

Z: chalice, P: pliers, and O: periscope. You press <<P>>.
Z: chocolate, P: tongs, and O: cooker. You press <<O>>.
Z: shoe, P: pump, and O: floss. You press <<P>>.
Z: fast food, P: microphone, and O: trailer. You press <<P>>.
Z: buoy, P: ring, and O: snowboard. You press <<P>>.
Z: place mat, P: peg, and O: kettle. You press <<O>>.
Z: stilt, P: garlic, and O: awning. You press <<P>>.
Z: potholder, P: tulip, and O: wine cooler. You press <<O>>.
Z: applesauce, P: bottle opener, and O: suspenders. You press <<P>>.
Z: camper, P: leash, and O: airbag. You press <<P>>.
Z: lasagna, P: wasp, and O: tie. You press <<P>>.
Z: ready meal, P: wax, and O: keyhole. You press <<O>>.
Z: staple, P: leaf, and O: log. You press <<P>>.
Z: sand, P: cannonball, and O: dog. You press <<O>>.
Z: kangaroo, P: ice cream, and O: microscope. You press <<P>>.
Z: truck, P: underwear, and O: cornmeal. You press <<P>>.
Z: horn, P: rabbit, and O: penlight. You press <<P>>.
Z: pool table, P: bamboo, and O: polo shirt. You press <<O>>.
Z: ladle, P: headlamp, and O: watch. You press <<P>>.
Z: swizzle stick, P: nail clippers, and O: copier. You press <<P>>.