MBTA or SEPTA? (Philadelphia Transportation vs Boston Transportation)

Which transportation agency do you think is better, more efficient etc and why? These two U.S. transit authorities are the only transportation agencies that operate all of the five major types of transit vehicles: regional (commuter) rail trains, "heavy" rapid transit (subway/elevated) trains, light rail vehicles (trolleys), electric trolleybuses, and motor buses.
What is the best subway/metro system in North America?
Let your opinion be heard in the comment section of this video: https://www.youtube.com/watch?v=ileT7cFbiDY