Read the summary paragraph for the article on service and answer the question that follows:

Service improves society, impacting the helpers as well as those needing assistance. It means being an active participant in one's community, taking action where it can be of benefit. Every person should make it a priority to serve at least two hours per week. It's an extremely important civic responsibility that is invaluable to citizens most in need. Service creates improved communities where people care about each other.

Which sentence in this summary restates the thesis of the article?

Service improves society, impacting the helpers as well as those needing assistance.
It means being an active participant in one's community, taking action where it can be of benefit.
Every person should make it a priority to serve at least two hours per week.
It's an extremely important civic responsibility that is invaluable to citizens most in need.