See the multi-choice question below:

Sentence 1: In winter a large ice rink covers the lawns, where you can enjoy outdoor skating in a picturesque setting.

Sentence 2: The lawns aren't covered by an ice rink during the winter.

If the first sentence is true, then is the second sentence true?
Options:
I. yes.
II. it is not possible to tell.
III. no.
III.