I want to know the answer to the following question:
What organization runs the largest line of ferries in the US?
All the background I'm provided with is that "Sound Transit currently provides an express bus service within the metropolitan area; two Sounder commuter rail lines between the suburbs and downtown; its Central Link light rail line, which opened in 2009, between downtown and Sea-Tac Airport gives the city its first rapid transit line that has intermediate stops within the city limits.". Is that enough to answer the question?
Answer: no