You will be presented with triplets of objects, which will be assigned to the keys D, I, and A.
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: twig, I: coffee filter, and A: seesaw. You press <<I>>.
D: chip, I: raincoat, and A: leek. You press <<D>>.
D: hearing aid, I: tee, and A: peanut butter. You press <<A>>.
D: speaker, I: casserole, and A: spring roll. You press <<D>>.
D: gong, I: shower curtain, and A: drain. You press <<D>>.
D: telephone pole, I: napkin ring, and A: purse. You press <<D>>.
D: soy sauce, I: swordfish, and A: mousepad. You press <<A>>.
D: coffee filter, I: peg, and A: place mat. You press <<D>>.
D: guitar, I: springboard, and A: salad. You press <<A>>.
D: bracelet, I: scarecrow, and A: shirt. You press <<I>>.
D: pallet, I: beaker, and A: binoculars. You press <<D>>.
D: face, I: rock, and A: wax paper. You press <<D>>.
D: smoke alarm, I: marmalade, and A: camera. You press <<I>>.
D: pickax, I: stove, and A: blimp. You press <<A>>.
D: freezer, I: penlight, and A: gazelle. You press <<A>>.
D: keyhole, I: honeycomb, and A: pomegranate. You press <<D>>.
D: spout, I: microwave, and A: charger. You press <<D>>.
D: wire cutters, I: shoelace, and A: sweatsuit. You press <<D>>.
D: belt buckle, I: jersey, and A: cow. You press <<A>>.
D: piecrust, I: cornucopia, and A: spark plug. You press <<A>>.