You will be presented with triplets of objects, which will be assigned to the keys Z, O, and F.
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: siren, O: boxer shorts, and F: first-aid kit. You press <<Z>>.
Z: lectern, O: trap, and F: inhaler. You press <<F>>.
Z: tablecloth, O: flask, and F: gumball. You press <<O>>.
Z: plug, O: lavender, and F: tick. You press <<Z>>.
Z: whisk, O: speedboat, and F: birdhouse. You press <<Z>>.
Z: gasket, O: laptop, and F: medal. You press <<O>>.
Z: computer, O: pulpit, and F: radio. You press <<O>>.
Z: spring roll, O: rattle, and F: wrap. You press <<O>>.
Z: tortilla, O: quill, and F: blinder. You press <<Z>>.
Z: potato, O: siren, and F: steamroller. You press <<O>>.
Z: leotard, O: star fruit, and F: polar bear. You press <<O>>.
Z: cart, O: waterwheel, and F: windsock. You press <<F>>.
Z: soup, O: bun, and F: laundry basket. You press <<F>>.
Z: cutting board, O: jigsaw puzzle, and F: pennant. You press <<Z>>.
Z: cookie cutter, O: vial, and F: gas mask. You press <<O>>.
Z: laser pointer, O: gutter, and F: cashew. You press <<F>>.
Z: cooker, O: pajamas, and F: crystal ball. You press <<O>>.
Z: test tube, O: roller coaster, and F: gauze. You press <<O>>.
Z: flower, O: photo booth, and F: snow. You press <<F>>.
Z: lectern, O: trap, and F: inhaler. You press <<F>>.
Z: bat, O: airplane, and F: noose. You press <<Z>>.
Z: roulette wheel, O: extinguisher, and F: shorts. You press <<F>>.
Z: skunk, O: fingerprint, and F: arch. You press <<O>>.
Z: cupcake, O: bulletin board, and F: paper towel. You press <<O>>.
Z: volleyball, O: spider, and F: grapefruit. You press <<O>>.
Z: nest, O: basketball hoop, and F: measuring cup. You press <<F>>.
Z: basketball, O: shears, and F: footprint. You press <<Z>>.
Z: cup, O: dalmatian, and F: wrapping paper. You press <<Z>>.
Z: clock, O: flute, and F: arugula. You press <<O>>.
Z: aquarium, O: tiger, and F: cotton candy. You press <<F>>.
Z: straw, O: baseball bat, and F: urn. You press <<F>>.
Z: orange rind, O: walrus, and F: silicone. You press <<Z>>.
Z: bug, O: graffiti, and F: pumpkin. You press <<F>>.
Z: pitcher, O: gravel, and F: star fruit. You press <<Z>>.
Z: pita, O: bone, and F: sail. You press <<F>>.
Z: scanner, O: catapult, and F: scale. You press <<O>>.
Z: microphone, O: onion, and F: twig. You press <<O>>.
Z: skunk, O: arch, and F: fingerprint. You press <<F>>.
Z: slug, O: moose, and F: totem pole. You press <<F>>.
Z: curling iron, O: apron, and F: trombone. You press <<F>>.
Z: deodorant, O: headband, and F: anchor. You press <<F>>.
Z: yo-yo, O: easter egg, and F: toilet. You press <<F>>.
Z: saucer, O: crank, and F: orangutan. You press <<F>>.
Z: bra, O: lab coat, and F: mug. You press <<Z>>.
Z: rudder, O: thumb, and F: locker. You press <<Z>>.
Z: sponge, O: file, and F: eyepiece. You press <<O>>.
Z: horn, O: maggot, and F: canvas. You press <<Z>>.
Z: goggles, O: speaker, and F: brake. You press <<Z>>.
Z: pumpkin, O: sheath, and F: meatloaf. You press <<Z>>.
Z: zucchini, O: hot-water bottle, and F: fireplace. You press <<Z>>.
Z: tongue, O: bracelet, and F: wrapping paper. You press <<Z>>.
Z: yacht, O: skunk, and F: painting. You press <<O>>.
Z: headlamp, O: sunroof, and F: bucket. You press <<Z>>.
Z: chainsaw, O: shield, and F: raisin. You press <<Z>>.
Z: bag, O: jeep, and F: paper bag. You press <<F>>.
Z: hook, O: onion, and F: dishrag. You press <<Z>>.
Z: helmet, O: sandal, and F: scooter. You press <<O>>.
Z: bolt, O: hip, and F: corn. You press <<Z>>.
Z: veil, O: soldering iron, and F: chaps. You press <<Z>>.
Z: microphone, O: submarine, and F: bathmat. You press <<Z>>.
Z: truck, O: seismograph, and F: thread. You press <<Z>>.
Z: shower cap, O: flour, and F: humvee. You press <<Z>>.
Z: loincloth, O: tumbleweed, and F: kaleidoscope. You press <<Z>>.
Z: birdbath, O: raccoon, and F: plaster cast. You press <<Z>>.
Z: amber, O: windshield wiper, and F: hook. You press <<O>>.
Z: laptop, O: starfish, and F: cross. You press <<Z>>.
Z: cellphone, O: catfish, and F: caramel. You press <<O>>.
Z: shoulder, O: visor, and F: kebab. You press <<F>>.
Z: megaphone, O: headscarf, and F: safety pin. You press <<Z>>.
Z: hatbox, O: cornucopia, and F: grapevine. You press <<Z>>.
Z: rug, O: thread, and F: lighter. You press <<Z>>.
Z: hotdog, O: magnifying glass, and F: chive. You press <<O>>.
Z: mouth, O: bracket, and F: dice. You press <<O>>.
Z: boot, O: pepper mill, and F: filing cabinet. You press <<F>>.
Z: gasket, O: tag, and F: wrist. You press <<Z>>.
Z: curtain, O: burrito, and F: parachute. You press <<Z>>.
Z: locker, O: board game, and F: feather. You press <<F>>.
Z: hatbox, O: arrow, and F: lip gloss. You press <<Z>>.
Z: arugula, O: moose, and F: airplane. You press <<F>>.
Z: thread, O: seismograph, and F: truck. You press <<F>>.