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

G: coil, W: veil, and Z: tongs. You press <<W>>.
G: cookie sheet, W: penguin, and Z: footprint. You press <<G>>.
G: coverall, W: swizzle stick, and Z: swing set. You press <<Z>>.
G: staple gun, W: vending machine, and Z: thumbtack. You press <<W>>.
G: paper plate, W: scale, and Z: punch. You press <<W>>.
G: pheasant, W: slicer, and Z: pony. You press <<W>>.
G: boar, W: waterwheel, and Z: penlight. You press <<G>>.
G: dynamite, W: station wagon, and Z: minivan. You press <<G>>.
G: blindfold, W: water bottle, and Z: place mat. You press <<W>>.
G: dresser, W: ham, and Z: engine. You press <<W>>.
G: binder, W: mouth, and Z: curtain. You press <<W>>.
G: barbed wire, W: mailbox, and Z: gasket. You press <<W>>.
G: cup, W: walker, and Z: organ. You press <<G>>.
G: amplifier, W: tray, and Z: gauze. You press <<G>>.
G: flask, W: mantle, and Z: hook. You press <<G>>.
G: cockatoo, W: rack, and Z: paper towel. You press <<G>>.
G: corsage, W: pea, and Z: grape. You press <<G>>.
G: arch, W: thorn, and Z: enchilada. You press <<Z>>.
G: cream cheese, W: wire cutters, and Z: sandpaper. You press <<G>>.
G: brush, W: scarecrow, and Z: chinaware. You press <<Z>>.