If you write a summary of this article, it is most important to say that __________.

Punxsutawney Phil sleeps a lot in winter
Punxsutawney Phil lives inside a library
a groundhog is also called a woodchuck
a groundhog is said to predict the weather

It is most important to say that Punxsutawney Phil, the groundhog, is said to predict the weather.