You will be presented with triplets of objects, which will be assigned to the keys O, T, and V.
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: porthole, T: watering can, and V: pulpit. You press <<T>>.
O: ostrich, T: apple, and V: caviar. You press <<O>>.
O: keg, T: recliner, and V: magnifying glass. You press <<T>>.
O: pitchfork, T: file, and V: carousel. You press <<V>>.
O: cash machine, T: groundhog, and V: charger. You press <<T>>.
O: gum, T: glasses, and V: chest. You press <<O>>.
O: vacuum, T: tank, and V: walrus. You press <<V>>.
O: trunk, T: paddle, and V: seatbelt. You press <<O>>.
O: gate, T: incubator, and V: eyeliner. You press <<T>>.
O: spinach, T: railing, and V: olive. You press <<T>>.
O: trap, T: thermos, and V: wheelbarrow. You press <<T>>.
O: gearshift, T: dartboard, and V: eggbeater. You press <<T>>.
O: mail, T: car seat, and V: bracelet. You press <<O>>.
O: cufflink, T: lectern, and V: wedge. You press <<O>>.
O: knife, T: shovel, and V: aloe. You press <<V>>.
O: solar panel, T: scissors, and V: peeler. You press <<O>>.
O: juicer, T: magnifier, and V: jackhammer. You press <<T>>.
O: hail, T: grate, and V: spider. You press <<T>>.
O: stained glass, T: globe, and V: fencepost. You press <<V>>.
O: hole, T: lettuce, and V: mashed potato. You press <<O>>.