Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

Ex Input:
New York City is situated in the Northeastern United States , in southeastern New York State , approximately halfway between Washington , D.C. and Boston . The location at the mouth of the Hudson River , which feeds into a naturally sheltered harbor and then into the Atlantic Ocean , has helped the city grow in significance as a trading port . Most of New York City is built on the three islands of Long Island , Manhattan , and Staten Island .

Ex Output:
New York City

Ex Input:
Three Rivers Park is a public urban waterfront park along the Allegheny , Monongahela , and Ohio Rivers in Pittsburgh , Pennsylvania .

Ex Output:
Three Rivers Park

Ex Input:
Genuine MAPP gas can be used in combination with oxygen for heating , soldering , brazing and even welding due to its high flame temperature of 2925 C ( 5300 F ) in oxygen . Although acetylene has a higher flame temperature ( 3160 C , 5720 F ) , MAPP has the advantage that it requires neither dilution nor special container fillers during transport , allowing a greater volume of fuel gas to be transported at the same given weight , and it is much safer in use .

Ex Output:
MAPP gas