You will be presented with triplets of objects, which will be assigned to the keys D, R, and F.
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.

D: toolbox, R: exhaust pipe, and F: spatula. You press <<R>>.
D: kale, R: goldfish, and F: money. You press <<D>>.
D: bottle, R: olive, and F: tongs. You press <<R>>.
D: flan, R: fossil, and F: wetsuit. You press <<R>>.
D: metronome, R: computer, and F: file. You press <<D>>.
D: spear, R: duck, and F: trophy. You press <<D>>.
D: tarp, R: microphone, and F: turkey. You press <<R>>.
D: dragonfly, R: espresso, and F: cross. You press <<R>>.
D: license plate, R: quad, and F: grate. You press <<D>>.
D: banana, R: maggot, and F: mussel. You press <<R>>.
D: cellphone, R: javelin, and F: chive. You press <<R>>.
D: firetruck, R: beard, and F: nut. You press <<D>>.
D: measuring cup, R: flagpole, and F: rearview mirror. You press <<R>>.
D: lampshade, R: shuffleboard, and F: scalpel. You press <<R>>.
D: ready meal, R: pliers, and F: snowman. You press <<D>>.
D: outlet, R: pig, and F: banner. You press <<D>>.
D: cart, R: hearing aid, and F: pantyhose. You press <<R>>.
D: hinge, R: doghouse, and F: horse. You press <<D>>.
D: headband, R: coal, and F: flour. You press <<R>>.
D: bomb, R: binder, and F: cello. You press <<D>>.