Which of the following sentences corrects the pronoun errors in this sentence?
If a person wants to help their community, they should research opportunities. (5 points)

Question 8 options:

1)

If a person wants to help their community, you should research opportunities.

2)

If you want to help your community, a person should research opportunities.

3)

If people want to help their community, they should research opportunities.

4)

If a person wants to help it, they should research opportunities.