Answer:
In this sentence 'it" is a vague pronoun.
Explanation:
Pronoun: Pronoun is a word that is used in place of a noun or a noun phrase.
Vague Noun: Vague Noun includes words like it, that, was, which. These words does not make it clear to whom the pronoun is referring to.
Sentence: In the newspaper, it says the circus is coming to town this weekend.
Rewrite: The circus is coming to town this weekend, according to the newspaper.
OR
The circus is coming to town this weekend, the local newspaper reported.
