Problem: Carol believed that Rebecca regretted that *she* had stolen the watch.
Are "she" and "Carol" the same?
****
Answer: no


Problem: Sara borrowed the book from the library because she needs *it* for an article she is working on. She reads it when she gets home from work.
Are "it" and "the book" the same?
****
Answer: yes


Problem: Sam Goodman 's biography of the Spartan general Xenophanes conveys a vivid sense of the difficulties *he* faced in his research.
Are "he" and "Goodman" the same?
****
Answer:
yes