QUESTION:
The dumpsters arrived each day to retrieve the garbage of the population, but they can be called to arrive if requested.
Who is "they"?

ANS:
The dumpsters


QUESTION:
David hit Bill because Mary asked him to.
Who is "him"?

ANS:
David


QUESTION:
The counselor gave the student advice because he is on the wrong track in life.
Who is "he"?

ANS:
the student


QUESTION:
Charles Dickinson shot at Andrew Jackson, so he started reloading.
Who is "he"?

ANS:

Charles Dickinson