Problem: The Wainwrights treated Mr. Crowley like a prince until he made his will in their favor; then they treated him like dirt. Folks said he died just to be rid of *their* everlasting nagging.
Are "their" and "Wainwrights" the same?
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Answer: yes


Problem: The first place that I can well remember was a large pleasant meadow with a pond of clear water in *it* . Some shady trees leaned over
Are "it" and "meadow" the same?
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Answer: no


Problem: Joan made sure to thank Susan for all the help *she* had given.
Are "she" and "Joan" the same?
****
Answer:
no