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

E: cherry, U: backgammon, and B: train car. You press <<E>>.
E: hammer, U: calzone, and B: shell. You press <<U>>.
E: piggy bank, U: calf, and B: chipmunk. You press <<U>>.
E: stiletto, U: wheelchair, and B: pug. You press <<B>>.
E: soup, U: shower curtain, and B: ferry. You press <<E>>.
E: paperclip, U: prism, and B: cheesecake. You press <<B>>.
E: pitchfork, U: stomach, and B: pig. You press <<U>>.
E: aardvark, U: hatchet, and B: barrel. You press <<E>>.
E: road sign, U: shoe polish, and B: cheesecake. You press <<E>>.
E: tostada, U: caramel, and B: brake. You press <<B>>.
E: beaver, U: parking meter, and B: candlestick. You press <<E>>.
E: curb, U: gyroscope, and B: bucket. You press <<U>>.
E: shutter, U: comb, and B: mannequin. You press <<E>>.
E: can opener, U: bag, and B: hot tub. You press <<E>>.
E: football helmet, U: plug, and B: sequin. You press <<E>>.
E: eyeliner, U: painting, and B: corn. You press <<B>>.
E: canoe, U: grater, and B: gumdrop. You press <<E>>.
E: cheese, U: boy, and B: quad. You press <<E>>.
E: telephone pole, U: aquarium, and B: red carpet. You press <<E>>.
E: tinsel, U: tulip, and B: soup. You press <<B>>.