Slide into smaller pipe B
From Create Your Own Story
You squeeze into the pipe and crawl forward, slowly but surely. The pipe angles downward for a while, then back up, then down again...
You abruptly drop into another chamber.
You shake your head to clear it, then look around. You've dropped out of the ceiling and landed in a diner... one that has been been buried deep underground. You can see the dirt through the plate glass window. You don't see any other customers or any staff.
Do you: