original question: Which mass transportation system in [New York City] is managed by [Metropolitan Transportation Authority]?
answer: new york city subway
answer type: Mass Transportation System.
auxiliary information: The Metropolitan Transportation Authority is a public benefit corporation responsible for public transportation in the U.S. state of New York, serving 12 counties in southeastern New York, along with two counties in southwestern Connecticut under contract to the Connecticut Department of Transportation, carrying over 11 million passengers on an average weekday systemwide, and over 800,000 vehicles on its seven toll bridges and two tunnels per weekday.New York City:;Type: Travel destination. ;
What is the mass transportation system in [New York City] that is managed by [Metropolitan Transportation Authority]?