Problem: When Tommy dropped his ice cream, Timmy giggled, so father gave *him* a stern look.

Are "him" and "Timmy" the same?
Answer: yes

Problem: Our mistress hired a room for my crippled sister Nelly , and she gave her knitting and needlework when she was able to do it, and when she was ill she sent *her* dinners and many nice comfortable things and was like a mother to her.

Are "her" and "Nelly" the same?
Answer: yes

Problem: Our mistress hired a room for my crippled sister Nelly , and she gave *her* knitting and needlework when she was able to do it, and when she was ill she sent her dinners and many nice comfortable things and was like a mother to her.

Are "her" and "mistress" the same?
Answer: no

Problem: Bob paid for Charlie 's college education, but now Charlie acts as though it never happened. *He* is very hurt.

Are "He" and "Bob" the same?
Answer:
yes