This is only like 1/3 of the campus in this image . Anyway , I get my coffee and bagel in there every morning and it is peaceful . But today MY GOD two old professors came in and THEY WERE SO LOUD . Like HEY MARTY LETS TALK ABOUT POLITICS and everyone got up and left to somewhere more quiet . In the quiet place some other old guy with a HUGE book comes in , sits down across from me .

Generate a question about the above context.
What may have caused people to get up and leave at the coffee place ?
Select from the following. A. They ran out of coffee . B. None of the above choices . C. It was too quiet in there . D. Some people were having a noisy debate .