Which of the following contains a vague pronoun reference?

 - "This morning, the newspaper said that Maria Montgomery won the mayoral election in Springtown," Adam remarked to his sister.
 - "This morning, it said that Maria Montgomery won the mayoral election in Springtown," Adam remarked to his sister.
The first answer choice contains a vague pronoun reference. The pronoun it is used without its antecedent.
The second answer choice shows a possible correction for the vague pronoun reference. It has been replaced with the newspaper.
"This morning, the newspaper said that Maria Montgomery won the mayoral election in Springtown," Adam remarked to his sister.