The defendant did not remove the snow and ice accumulated on his roof as a result of severe snow storm and not warned the public of its presence. The plaintiff standing on the highway outside the defendant's premises is injured by fall of snow. The plaintiff claimed damages. Which one of the following statements is correct?
The defendant is:

A. Liable in nuisance as he did not remove the snow

B. Liable in negligence as he failed to warn the public

C. Not liable as the snow storm was an act of God

D. Liable in nuisance and negligence both as he did nothing to abate nuisance

Answer: Option B