You will be presented with triplets of objects, which will be assigned to the keys K, F, and N.
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.

K: gift, F: apple tree, and N: wedge. You press <<F>>.
K: pumpkin, F: hole, and N: train. You press <<N>>.
K: gearshift, F: meerkat, and N: knife. You press <<F>>.
K: watermelon, F: tomato, and N: buoy. You press <<N>>.
K: cashew, F: pudding, and N: highchair. You press <<N>>.
K: chandelier, F: centerpiece, and N: magnifier. You press <<N>>.
K: pepperoni, F: barrette, and N: water fountain. You press <<K>>.
K: tiger, F: giraffe, and N: candy. You press <<N>>.
K: retainer, F: magnet, and N: hairspray. You press <<N>>.
K: foam, F: ice, and N: bassinet. You press <<N>>.
K: rain gauge, F: banner, and N: wedding cake. You press <<F>>.
K: harness, F: spring roll, and N: raspberry. You press <<K>>.
K: sea urchin, F: forklift, and N: periscope. You press <<K>>.
K: tulip, F: prism, and N: globe. You press <<K>>.
K: barbell, F: slot, and N: goose. You press <<N>>.
K: furnace, F: mango, and N: bathrobe. You press <<N>>.
K: wedge, F: gift, and N: apple tree. You press <<F>>.
K: bowling ball, F: chinaware, and N: motorcycle. You press <<N>>.
K: spool, F: incubator, and N: photo booth. You press <<K>>.
K: calf, F: green beans, and N: gauze. You press <<F>>.