Problem: Archaeologists have concluded that humans lived in Laputa 20,000 years ago. *They* hunted for deer on the river banks.
Are "They" and "Archaeologists" the same?
****
Answer: no

Problem: My master and mistress decided to pay a visit to some friends who lived about forty-six miles from our home, and James was to drive *them* .
Are "them" and "master and mistress" the same?
****
Answer: yes

Problem: The city councilmen refused the demonstrators a permit because *they* advocated violence.
Are "they" and "the demonstrators" the same?
****
Answer:
yes