You will be presented with triplets of objects, which will be assigned to the keys D, U, 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.

D: petri dish, U: woman, and K: lumber. You press <<U>>.
D: battery, U: maggot, and K: noodle. You press <<D>>.
D: pastry, U: bat, and K: glue. You press <<D>>.
D: camcorder, U: gutter, and K: paper bag. You press <<D>>.
D: notebook, U: bowler hat, and K: sandpaper. You press <<D>>.
D: undershirt, U: stamp, and K: shell. You press <<D>>.
D: neck, U: air mattress, and K: hawk. You press <<U>>.
D: chips, U: extinguisher, and K: caviar. You press <<U>>.
D: egg roll, U: chariot, and K: clothesline. You press <<U>>.
D: milk, U: cord, and K: mandolin. You press <<D>>.
D: ankle, U: forklift, and K: porcupine. You press <<D>>.
D: wig, U: swimsuit, and K: lumber. You press <<K>>.
D: gondola, U: rollerskate, and K: wreath. You press <<K>>.
D: hinge, U: treadmill, and K: scone. You press <<K>>.
D: trumpet, U: folder, and K: tugboat. You press <<U>>.
D: light switch, U: nail file, and K: bassoon. You press <<U>>.
D: cushion, U: recorder, and K: hairbrush. You press <<K>>.
D: pallet, U: diamond, and K: teepee. You press <<D>>.
D: kebab, U: crowbar, and K: bedpan. You press <<K>>.
D: wetsuit, U: rudder, and K: keg. You press <<U>>.