What’s an advantage of using Smart Bidding with broad match?

It helps ensure that someone’s only competing in the right auctions, at the right bid, for the right user. It does this by picking up on contextual signals present at auction time.
It uses the ad group name to decide which auctions to compete in so a person is only competing in the right auctions, at the right bid, for the right user.
It uses landing pages to decide which auctions to compete in so that a person is competing in the right auctions, at the right bid, for the right user.
It helps ensure someone is using their budget to decide which auctions to compete in so they’re only competing in the right auctions, at the right bid, for the right user.

The correct answer is:

It helps ensure that someone’s only competing in the right auctions, at the right bid, for the right user. It does this by picking up on contextual signals present at auction time.