Which excerpt from a concluding paragraph about plastic bags is written in a formal tone?

Question

Like I said plastic bags are terrible and absolutely shouldn’t be used by anyone
Plastic bags should seriously be banned from all stores across the United States
Americans use 100 bullí y plastic bags each year. We must step up our game and stop using so many single-use plastic bags.
Bringing reusable bags to the grocery store is one way the average citizen can help reduce the use of plastic bags.

Answer 1

Bringing reusable bags to the grocery store is one way the average citizen can help reduce the use of plastic bags.