You will be presented with triplets of objects, which will be assigned to the keys D, M, and R.
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: whip, M: dagger, and R: creme brulee. You press <<R>>.
D: headdress, M: marshmallow, and R: beaker. You press <<D>>.
D: washboard, M: oilcan, and R: skewer. You press <<R>>.
D: trombone, M: float, and R: fruitcake. You press <<D>>.
D: milkshake, M: battery, and R: moth. You press <<R>>.
D: rocking chair, M: lobster, and R: toad. You press <<D>>.
D: jigsaw puzzle, M: ant, and R: train. You press <<M>>.
D: binoculars, M: luggage, and R: hummus. You press <<D>>.
D: ice-cream cone, M: vent, and R: cougar. You press <<D>>.
D: terrarium, M: keyhole, and R: subway. You press <<M>>.
D: creme brulee, M: goggles, and R: hairbrush. You press <<D>>.
D: violin, M: beachball, and R: clam. You press <<D>>.
D: tractor, M: hookah, and R: artichoke. You press <<M>>.
D: mole, M: cupcake, and R: jeep. You press <<M>>.
D: cornbread, M: vest, and R: tuning fork. You press <<M>>.
D: earwig, M: rudder, and R: waffle iron. You press <<D>>.
D: coffee table, M: domino, and R: mop. You press <<R>>.
D: soldering iron, M: fork, and R: scone. You press <<D>>.
D: gauze, M: iguana, and R: javelin. You press <<M>>.
D: police car, M: tube top, and R: polisher. You press <<R>>.