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:
Vinegar is a liquid consisting of about 5 -- 20 % acetic acid ( CH COOH ) , water , and other trace chemicals , which may include flavorings . The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria . Vinegar is now mainly used as a cooking ingredient , or in pickling . As the most easily manufactured mild acid , it has historically had a great variety of industrial , medical , and domestic uses , some of which ( such as its use as a general household cleaner ) are still commonly practiced today .

Ex Output:
Vinegar


Ex Input:
Hong Kong International Airport ( IATA : HKG , ICAO : VHHH ) is the main airport in Hong Kong . It is located on the island of Chek Lap Kok , which largely comprises land reclaimed for the construction of the airport itself . The airport is also colloquially known as Chek Lap Kok Airport ( 赤 鱲 角 機場 ) , to distinguish it from its predecessor , the closed Kai Tak Airport .

Ex Output:
Hong Kong International Airport


Ex Input:
Before sending it to the United States Senate Clinton added two side agreements , the North American Agreement on Labor Cooperation ( NAALC ) and the North American Agreement on Environmental Cooperation ( NAAEC ) , to protect workers and the environment , and also allay the concerns of many House members . They also required U.S. partners to adhere to environmental practices and regulations similar to its own . After much consideration and emotional discussion , the US House of Representatives passed the North American Free Trade Agreement Implementation Act on November 17 , 1993 , 234 -- 200 . The agreement 's supporters included 132 Republicans and 102 Democrats . The bill passed the Senate on November 20 , 1993 , 61 -- 38 . Senate supporters were 34 Republicans and 27 Democrats . Clinton signed it into law on December 8 , 1993 ; the agreement went into effect on January 1 , 1994 . Clinton , while signing the NAFTA bill , stated that `` NAFTA means jobs . American jobs , and good - paying American jobs . If I did n't believe that , I would n't support this agreement . '' NAFTA then replaced the previous Canada - US FTA .

Ex Output:

North American Free Trade Agreement