You will be presented with triplets of objects, which will be assigned to the keys A, U, 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.

A: eagle, U: tick, and Z: cloak. You press <<Z>>.
A: marble, U: cauliflower, and Z: souffle. You press <<A>>.
A: snack, U: shutter, and Z: checkbook. You press <<A>>.
A: bank, U: ship, and Z: top hat. You press <<U>>.
A: spool, U: cornhusk, and Z: splinter. You press <<U>>.
A: gramophone, U: shrimp, and Z: headphones. You press <<U>>.
A: envelope, U: petri dish, and Z: onion. You press <<U>>.
A: screwdriver, U: water filter, and Z: tooth. You press <<Z>>.
A: chalkboard, U: knitting needle, and Z: outlet. You press <<A>>.
A: pepper, U: cd player, and Z: chalice. You press <<Z>>.
A: poster, U: lollipop, and Z: lightning bug. You press <<Z>>.
A: machine gun, U: firetruck, and Z: dessert. You press <<Z>>.
A: mustache, U: moose, and Z: paperweight. You press <<Z>>.
A: toaster oven, U: wagon, and Z: magnifying glass. You press <<U>>.
A: rolling pin, U: shaker, and Z: patty. You press <<Z>>.
A: headscarf, U: wire cutters, and Z: rack. You press <<U>>.
A: buoy, U: guardrail, and Z: rock. You press <<U>>.
A: lingerie, U: jump rope, and Z: ketchup. You press <<A>>.
A: cinnamon, U: underwear, and Z: refrigerator. You press <<U>>.
A: bulldozer, U: hood, and Z: triangle. You press <<U>>.