Which sentences use commas correctly?

Select all that apply.

1) During Michael’s lunch break, he went to pick up his clothes at the dry cleaners.
2) Standing in a long line outside the theater the children waited, for the movie to begin.
3) The crowd cheered for Su Lin, the first runner to cross the finish line in the marathon.
4) Elms, cottonwoods, and birches lined the city’s main street and its large central park.