Which of the following is not a run-on sentence?
Group of answer choices

After Megan and Andrew had been waiting for their table for fifteen minutes, their name was called so they stood and followed the host.

They were surprised to discover that Andrew’s brother was at the next table, they had apparently decided not to cook supper at home, too.

They asked the host if they could slide the tables together and sit as a family, and the host was very kind, allowing them to slide the tables together and taking their drink orders with a smile.