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

O: sewing machine, P: wine cooler, and Z: train car. You press <<P>>.
O: pigeon, P: vending machine, and Z: blinder. You press <<P>>.
O: egg, P: crank, and Z: harness. You press <<O>>.
O: shorts, P: candlestick, and Z: latch. You press <<O>>.
O: fire, P: roller coaster, and Z: megaphone. You press <<P>>.
O: pliers, P: bacon, and Z: taxi. You press <<P>>.
O: tomato, P: bow, and Z: hearing aid. You press <<O>>.
O: pipe, P: log, and Z: lifesaver. You press <<O>>.
O: garter, P: pajamas, and Z: turkey. You press <<Z>>.
O: cord, P: kayak, and Z: boar. You press <<O>>.
O: latch, P: cordon bleu, and Z: subway. You press <<P>>.
O: celery, P: hearing aid, and Z: ostrich. You press <<P>>.
O: birdhouse, P: roadsweeper, and Z: microphone. You press <<P>>.
O: hot-water bottle, P: breadstick, and Z: thermostat. You press <<Z>>.
O: rake, P: wreath, and Z: stove. You press <<P>>.
O: pony, P: rhinoceros, and Z: mistletoe. You press <<Z>>.
O: magnifier, P: giraffe, and Z: goggles. You press <<P>>.
O: turtleneck, P: navel, and Z: sundial. You press <<P>>.
O: leech, P: hose, and Z: gourd. You press <<Z>>.
O: shark, P: calf, and Z: oil. You press <<O>>.
O: bowling ball, P: thermometer, and Z: limousine. You press <<O>>.
O: recliner, P: hood, and Z: orchid. You press <<Z>>.
O: dice, P: toothbrush, and Z: mussel. You press <<O>>.
O: vending machine, P: ginger, and Z: steering wheel. You press <<Z>>.
O: grill, P: earwig, and Z: minivan. You press <<P>>.
O: piglet, P: moss, and Z: jukebox. You press <<Z>>.
O: tack, P: file, and Z: bandanna. You press <<Z>>.
O: chihuahua, P: bread, and Z: satellite dish. You press <<Z>>.
O: rosary, P: record, and Z: hot chocolate. You press <<Z>>.
O: bumper, P: videocassette, and Z: cigarette holder. You press <<Z>>.
O: computer screen, P: wheel, and Z: chalice. You press <<O>>.
O: espresso, P: fox, and Z: laundry basket. You press <<Z>>.
O: column, P: earplug, and Z: blind. You press <<P>>.
O: tiramisu, P: squeegee, and Z: peppermint. You press <<P>>.
O: bathrobe, P: tiramisu, and Z: fire. You press <<P>>.
O: panda, P: bubble wrap, and Z: steering wheel. You press <<P>>.
O: shoe polish, P: fishing pole, and Z: heater. You press <<O>>.
O: spam, P: muff, and Z: apron. You press <<O>>.
O: power line, P: bonnet, and Z: rack. You press <<O>>.
O: napkin ring, P: sarcophagus, and Z: easter egg. You press <<Z>>.