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

H: branch, K: light switch, and F: napkin. You press <<H>>.
H: airboat, K: blouse, and F: sawhorse. You press <<F>>.
H: locker, K: doorstop, and F: fire. You press <<H>>.
H: parachute, K: crucifix, and F: praying mantis. You press <<F>>.
H: boot, K: aquarium, and F: hopscotch. You press <<F>>.
H: dog, K: trophy, and F: dishrag. You press <<K>>.
H: gong, K: gasket, and F: coffee table. You press <<F>>.
H: clock, K: chariot, and F: knitting. You press <<K>>.
H: saddle, K: dishrag, and F: dumbbell. You press <<H>>.
H: spider, K: toilet paper, and F: cigarette butt. You press <<K>>.
H: sling, K: baton, and F: gauze. You press <<F>>.
H: lawnmower, K: palette, and F: eraser. You press <<H>>.
H: brush, K: pedometer, and F: keyboard. You press <<H>>.
H: blouse, K: flashlight, and F: barrette. You press <<K>>.
H: cupcake, K: polygraph, and F: avocado. You press <<K>>.
H: gazelle, K: tree trunk, and F: figurine. You press <<K>>.
H: baseball, K: coal, and F: scrambled egg. You press <<K>>.
H: pin, K: quesadilla, and F: skewer. You press <<K>>.
H: barcode, K: sauerkraut, and F: mop. You press <<K>>.
H: mustache, K: spool, and F: scuba. You press <<H>>.