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

K: flagpole, X: clay, and F: hook. You press <<X>>.
K: cannon, X: shorts, and F: crutch. You press <<K>>.
K: seagull, X: hatchet, and F: straw. You press <<X>>.
K: elbow, X: costume, and F: mast. You press <<F>>.
K: home plate, X: sequin, and F: beaker. You press <<K>>.
K: aircraft carrier, X: seaweed, and F: barcode. You press <<F>>.
K: filter, X: hair, and F: bouquet. You press <<F>>.
K: bone, X: bumper, and F: metal detector. You press <<X>>.
K: knob, X: hedgehog, and F: bracelet. You press <<X>>.
K: grapevine, X: trapdoor, and F: asparagus. You press <<X>>.
K: bib, X: radio, and F: mast. You press <<K>>.
K: corsage, X: can opener, and F: roadsweeper. You press <<K>>.
K: latch, X: grasshopper, and F: barbed wire. You press <<X>>.
K: calculator, X: fly, and F: videocassette. You press <<X>>.
K: scarecrow, X: souffle, and F: car seat. You press <<F>>.
K: shelf, X: dumbbell, and F: safety pin. You press <<K>>.
K: potholder, X: fishing pole, and F: stump. You press <<K>>.
K: bracket, X: jar, and F: cake mix. You press <<F>>.
K: polo shirt, X: garter, and F: tadpole. You press <<F>>.
K: marshmallow, X: alpaca, and F: turf. You press <<K>>.