You will be presented with triplets of objects, which will be assigned to the keys Z, E, and S.
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: sled, E: bottle opener, and S: tongue. You press <<S>>.
Z: lasagna, E: gumdrop, and S: pinwheel. You press <<S>>.
Z: checkers, E: deodorant, and S: pea. You press <<Z>>.
Z: weed, E: piecrust, and S: sifter. You press <<Z>>.
Z: barcode, E: jelly bean, and S: coin. You press <<E>>.
Z: hookah, E: curling iron, and S: curry. You press <<S>>.
Z: camel, E: cardigan, and S: clarinet. You press <<Z>>.
Z: loveseat, E: machete, and S: ruby. You press <<E>>.
Z: walker, E: screw, and S: burner. You press <<Z>>.
Z: caviar, E: reindeer, and S: spear. You press <<E>>.
Z: playing card, E: corsage, and S: springboard. You press <<S>>.
Z: holster, E: funnel, and S: dumbwaiter. You press <<S>>.
Z: swing set, E: teepee, and S: roller coaster. You press <<E>>.
Z: duster, E: blueberry, and S: penholder. You press <<Z>>.
Z: walnut, E: mousse, and S: vegetable. You press <<E>>.
Z: boot, E: scone, and S: springboard. You press <<E>>.
Z: robot, E: log, and S: sled. You press <<Z>>.
Z: fast food, E: detonator, and S: diving board. You press <<Z>>.
Z: cage, E: shield, and S: prism. You press <<S>>.
Z: gavel, E: bolo tie, and S: shower cap. You press <<E>>.