Problem: Do "Madonna" and "her" point to the same thing in the following sentence?

Madonna fired her trainer because she couldn't stand *her* boyfriend.
****
A: no

Problem: Do "mothers" and "them" point to the same thing in the following sentence?

The mothers of Arthur and Celeste have come to the town to fetch them. They are very happy to have *them* back, but they scold them just the same because they ran away.
****
A: no

Problem: Do "John" and "he" point to the same thing in the following sentence?

John ordered Bill to leave, so an hour later *he* left.
****
A: no

Problem: Do "Bill" and "his" point to the same thing in the following sentence?

Dan took the rear seat while Bill claimed the front because *his* "Dibs!" was slow.
****
A:
no