LISBON, Jan. 22 (Xinhuanet) -- Anibal Cavaco Silva, a former prime minister, won Portugal's presidential election on Sunday.

Choose your answer: based on the paragraph above can we conclude that "Anibal Cavaco Silva won by a landslide. "?

Options:
I. Yes.
II. It's impossible to say.
III. No.
I think the answer is