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.
I would say suit doesn't belong.
All of the other words could be classified as verbs, and suit simply as a noun in almost any case.
Answer: for answer A and B
Explanation: