You will be presented with triplets of objects, which will be assigned to the keys Z, Q, and L.
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: porthole, Q: clock, and L: ambulance. You press <<Q>>.
Z: bedpost, Q: cruise ship, and L: lock. You press <<Q>>.
Z: sweet potato, Q: trident, and L: jackhammer. You press <<Z>>.
Z: watering can, Q: acorn, and L: doorknocker. You press <<Q>>.
Z: flower, Q: hairspray, and L: fruit. You press <<L>>.
Z: tulip, Q: moccasin, and L: stove. You press <<Z>>.
Z: ear, Q: trunk, and L: gavel. You press <<Z>>.
Z: stained glass, Q: meerkat, and L: tiramisu. You press <<L>>.
Z: sewing kit, Q: pepper, and L: clasp. You press <<Q>>.
Z: crucifix, Q: rollerskate, and L: filing cabinet. You press <<Q>>.
Z: stair, Q: roller coaster, and L: faucet. You press <<L>>.
Z: coop, Q: backgammon, and L: counter. You press <<Q>>.
Z: sidecar, Q: bulletin board, and L: mouthpiece. You press <<Q>>.
Z: purse, Q: shower, and L: table. You press <<Q>>.
Z: pigeon, Q: granola, and L: potpourri. You press <<Z>>.
Z: teepee, Q: lamppost, and L: praying mantis. You press <<L>>.
Z: turtleneck, Q: oilcan, and L: fuse. You press <<Z>>.
Z: chime, Q: tool, and L: saddle. You press <<L>>.
Z: firecracker, Q: biscuit, and L: reindeer. You press <<Z>>.
Z: golf club, Q: eggshell, and L: chickpea. You press <<Z>>.