which sentence or sentences have correct parallel structure? summer weather in san francisco can be either…

which sentence or sentences have correct parallel structure? summer weather in san francisco can be either pleasantly warm or quite cold, depending on whether or not the fog rolls in. summer weather in san francisco can be either warm or cold, depending on whether or not the fog rolls in.
Answer
Brief Explanations:
Parallel structure requires balanced grammar. In both sentences, "either...or" is used with parallel adjectives ("pleasantly warm" and "quite cold" in the first; "warm" and "cold" in the second).
Answer:
Both sentences have correct parallel structure.