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

P: hopscotch, G: shell, and Z: perfume. You press <<G>>.
P: playing card, G: sticker, and Z: duster. You press <<Z>>.
P: patty, G: omelet, and Z: train car. You press <<Z>>.
P: buggy, G: moth, and Z: rope. You press <<G>>.
P: dustpan, G: bouquet, and Z: breathalyzer. You press <<P>>.
P: backdrop, G: hot-air balloon, and Z: railing. You press <<G>>.
P: police car, G: coffeemaker, and Z: cart. You press <<P>>.
P: pantyhose, G: screwdriver, and Z: hook. You press <<G>>.
P: windowsill, G: stamp, and Z: root. You press <<Z>>.
P: souffle, G: deodorant, and Z: mop. You press <<G>>.
P: stethoscope, G: bomb, and Z: gyroscope. You press <<G>>.
P: orange, G: rosary, and Z: pocket watch. You press <<P>>.
P: rattlesnake, G: bowling ball, and Z: bottle. You press <<P>>.
P: meatloaf, G: whipped cream, and Z: workbench. You press <<P>>.
P: balance beam, G: crayfish, and Z: coffee filter. You press <<G>>.
P: banana split, G: chili, and Z: eggplant. You press <<Z>>.
P: pineapple, G: snowmobile, and Z: green beans. You press <<G>>.
P: shopping cart, G: train car, and Z: counter. You press <<P>>.
P: pine tree, G: van, and Z: helmet. You press <<Z>>.
P: closet, G: fur coat, and Z: sardine. You press <<G>>.