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

Z: kangaroo, E: screen, and Q: duct. You press <<E>>.
Z: saw, E: police car, and Q: cleaver. You press <<E>>.
Z: stir fry, E: metronome, and Q: trough. You press <<Z>>.
Z: marmalade, E: chinchilla, and Q: contact lens. You press <<Z>>.
Z: pear, E: ramp, and Q: hummus. You press <<E>>.
Z: perfume, E: tarp, and Q: fossil. You press <<Q>>.
Z: fondue, E: denture, and Q: aardvark. You press <<Z>>.
Z: cornmeal, E: fig, and Q: leggings. You press <<Q>>.
Z: firecracker, E: cross, and Q: slot machine. You press <<Q>>.
Z: bench, E: pocket, and Q: pendulum. You press <<E>>.
Z: file, E: seesaw, and Q: hairdryer. You press <<E>>.
Z: chihuahua, E: coffee bean, and Q: pineapple. You press <<Z>>.
Z: poster, E: badger, and Q: coffeemaker. You press <<E>>.
Z: bowling ball, E: defibrillator, and Q: potholder. You press <<E>>.
Z: saxophone, E: dresser, and Q: lens. You press <<E>>.
Z: bra, E: bunkbed, and Q: hot-air balloon. You press <<Q>>.
Z: patty, E: xylophone, and Q: yolk. You press <<E>>.
Z: scooter, E: hedgehog, and Q: sugar cube. You press <<E>>.
Z: raccoon, E: incubator, and Q: coop. You press <<Z>>.
Z: stretcher, E: dynamite, and Q: plum. You press <<E>>.