The outcome of a poorly written subject line would be that the reader wouldn't understand what he/she was reading about. This would in turn, keep the reader confused the rest of the literature and wouldn't be able to focus.
1, Her logic is utterly incontrovertible.
2, We have incontrovertible evidence of what took place.
3, These are all incontrovertible facts.
4, CCTV provided incontrovertible evidence that he was at the scene of the crime.
Answer:
the answer should be letter B pronoun