You will be presented with triplets of objects, which will be assigned to the keys O, V, and K.
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: wheel, V: gum, and K: sewage. You press <<V>>.
O: mailbox, V: engine, and K: coral. You press <<K>>.
O: stool, V: kettle, and K: noisemaker. You press <<K>>.
O: toast, V: broccoli, and K: bagel. You press <<V>>.
O: boomerang, V: curry, and K: battery. You press <<V>>.
O: deodorant, V: garter, and K: bacon. You press <<K>>.
O: helicopter, V: leech, and K: toilet paper. You press <<V>>.
O: cup, V: casserole, and K: headscarf. You press <<K>>.
O: beanbag, V: charger, and K: marker. You press <<O>>.
O: clay, V: creme brulee, and K: compost. You press <<K>>.
O: granola, V: fire pit, and K: candy. You press <<V>>.
O: rocket, V: wheelchair, and K: file. You press <<O>>.
O: polar bear, V: milk, and K: stopwatch. You press <<V>>.
O: razor blade, V: spatula, and K: snow. You press <<K>>.
O: snowball, V: drumstick, and K: tree. You press <<V>>.
O: parachute, V: stove, and K: machine gun. You press <<V>>.
O: vial, V: owl, and K: walrus. You press <<O>>.
O: pocket, V: bucket, and K: bongo. You press <<O>>.
O: oil, V: cooker, and K: fire hydrant. You press <<O>>.
O: photo booth, V: target, and K: baton. You press <<V>>.