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

X: bulletproof vest, G: hippopotamus, and K: belt. You press <<G>>.
X: penlight, G: ladder, and K: coral. You press <<K>>.
X: tray, G: gong, and K: battery. You press <<K>>.
X: book, G: cat, and K: aardvark. You press <<X>>.
X: fireplace, G: grill, and K: door. You press <<K>>.
X: eraser, G: pomegranate, and K: chip. You press <<G>>.
X: cactus, G: plate, and K: crow. You press <<G>>.
X: corn, G: helicopter, and K: splinter. You press <<X>>.
X: hard disk, G: throne, and K: pogo stick. You press <<X>>.
X: ruby, G: lip balm, and K: stuffing. You press <<K>>.
X: pineapple, G: boulder, and K: marker. You press <<X>>.
X: notepad, G: wedding cake, and K: breakfast. You press <<X>>.
X: garbage, G: wetsuit, and K: organ. You press <<K>>.
X: bathrobe, G: limousine, and K: clay. You press <<G>>.
X: bee, G: paintbrush, and K: clipboard. You press <<X>>.
X: papaya, G: prism, and K: speedometer. You press <<X>>.
X: ribbon, G: mango, and K: mousepad. You press <<K>>.
X: wall, G: pen, and K: crowbar. You press <<X>>.
X: compass, G: jersey, and K: mask. You press <<G>>.
X: combination lock, G: stump, and K: rat. You press <<K>>.
X: exerciser, G: pencil sharpener, and K: mussel. You press <<G>>.
X: lipstick, G: stair, and K: hummingbird. You press <<G>>.
X: rickshaw, G: noose, and K: baton. You press <<G>>.
X: first-aid kit, G: pheasant, and K: sundae. You press <<K>>.
X: chest, G: spout, and K: jackhammer. You press <<G>>.
X: shell, G: gargoyle, and K: green beans. You press <<K>>.
X: boy, G: soda, and K: lamppost. You press <<X>>.
X: gopher, G: diamond, and K: barrel. You press <<X>>.
X: spaghetti, G: binder, and K: eye patch. You press <<X>>.
X: gum, G: police car, and K: detonator. You press <<K>>.
X: ottoman, G: brace, and K: film. You press <<G>>.
X: pillbox, G: chicken, and K: ferris wheel. You press <<K>>.
X: wick, G: jersey, and K: dishwashing liquid. You press <<G>>.
X: switch, G: rocking horse, and K: stroller. You press <<G>>.
X: handlebar, G: seagull, and K: salad. You press <<G>>.
X: stew, G: mail, and K: kimono. You press <<K>>.
X: ramp, G: car door, and K: unicycle. You press <<X>>.
X: parachute, G: sunroof, and K: barbed wire. You press <<G>>.
X: stove, G: dishwashing liquid, and K: sidecar. You press <<G>>.
X: flagpole, G: incubator, and K: chisel. You press <<X>>.