Question: The West Amesbury Branch Railroad, was a railroad that once led form Newton Junction, New Hampshire to Merrimac, Massachusetts, the Downeaster is a 145 mi regional passenger train service, managed by the Northern New England Passenger Rail Authority (NNEPRA, created by the State of Maine), and operated by which organization?
Sentence (from "Downeaster (train)"): The Downeaster is a 145 mi regional passenger train service, managed by the Northern New England Passenger Rail Authority (NNEPRA, created by the State of Maine), and operated by Amtrak.
Relevant evidence: Yes