Problem: Emma's mother had died long ago, and *her* place had been taken by an excellent woman as governess.
Are "her" and "Emma's mother" the same?
****
Answer: yes


Problem: I asked Dave to get me my sweater from the other side of the yacht . While he was gone, I rested my arm on the rail over there and suddenly *it* gave way.
Are "it" and "rail" the same?
****
Answer: yes


Problem: If the con artist has succeeded in fooling Sam , *he* would have lost a lot of money.
Are "he" and "the con artist" the same?
****
Answer:
no