One day a small gap appeared in the cocoon, through which the butterfly had to appear. A boy, who accidentally passed by, stopped and watched how the butterfly was trying to get out of the cocoon. It took a lot of time, the butterfly was trying very hard, and the gap was as little as before. It seemed that the power would leave the butterfly soon.

The boy decided to help the butterfly. He took a penknife and cut the cocoon. The butterfly immediately got out, but its body was...