Which of the following contains a vague pronoun reference?
A: Mike accidentally bumped into the waiter, and food splattered all over Mike's shirt.
B: Mike accidentally bumped into the waiter, and food splattered all over his shirt.
The first answer choice contains a vague pronoun reference. The pronoun his could refer to Mike's or the waiter's.
The second answer choice shows a possible correction for the vague pronoun reference. His has been replaced with Mike's.
Mike accidentally bumped into the waiter, and food splattered all over Mike's shirt.