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

E: swan, R: plug, and G: chick. You press <<R>>.
E: clay, R: cookie cutter, and G: cello. You press <<E>>.
E: wire cutters, R: coin, and G: blower. You press <<R>>.
E: lawnmower, R: strap, and G: hot-air balloon. You press <<R>>.
E: apple, R: couch, and G: thermometer. You press <<E>>.
E: clothes, R: polaroid, and G: trashcan. You press <<E>>.
E: clothesline, R: cooker, and G: bat. You press <<G>>.
E: spatula, R: soy sauce, and G: water fountain. You press <<R>>.
E: gondola, R: hammock, and G: dalmatian. You press <<G>>.
E: rickshaw, R: toothbrush, and G: mailbox. You press <<R>>.
E: calculator, R: straw, and G: hail. You press <<E>>.
E: compost, R: air mattress, and G: mouth. You press <<G>>.
E: sandcastle, R: toaster, and G: grain. You press <<R>>.
E: strawberry, R: cloud, and G: pinball. You press <<G>>.
E: tattoo, R: smoothie, and G: mouse. You press <<G>>.
E: forklift, R: stalagmite, and G: railing. You press <<E>>.
E: cookie cutter, R: cello, and G: clay. You press <<G>>.
E: bra, R: gorilla, and G: walker. You press <<E>>.
E: closet, R: chip, and G: clothesline. You press <<R>>.
E: brussels sprouts, R: noisemaker, and G: duct tape. You press <<E>>.