Question:
Caroline quickly defeated Sue because she regained her confidence.

Who is she referring to in this sentence?
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Answer:
Caroline


Question:
The father convinced his son that it is possible for him to one day become a knight, but he may never achieve such status coming from a peasant family.

Who is he referring to in this sentence?
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Answer:
his son


Question:
Windows is worse than Linux because it has a lot of viruses.

Who is it referring to in this sentence?
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Answer:
Windows


Question:
John bored Bill because he was boring.

Who is he referring to in this sentence?
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Answer:

John