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.

Input: Consider 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 .

Output: Vinegar


Input: Consider Input: When Ali Came to Ireland is a 2012 Irish documentary film directed by Ross Whitaker . It tells the story of how Killorglin - born circus strongman and publican , Michael `` Butty '' Sugrue , put up £ 300,000 and persuaded Muhammad Ali to make his first visit to Ireland to fight against Alvin Lewis in Croke Park on 19 July 1972 .

Output: When Ali Came to Ireland


Input: Consider Input: The Gospel of Mark was written anonymously . Early Christian tradition ascribes it to John Mark , a companion and interpreter of the apostle Peter . Hence its author is often called Mark , even though most modern scholars are doubtful of the Markan tradition and instead regard the author as unknown . It was probably written c . AD 66 -- 70 , during Nero 's persecution of the Christians in Rome or the Jewish revolt , as suggested by internal references to war in Judea and to persecution . The author used a variety of pre-existing sources , such as conflict stories ( Mark 2 : 1 -- 3 : 6 ) , apocalyptic discourse ( 4 : 1 -- 35 ) , and collections of sayings ( although not the Gospel of Thomas and probably not the Q source ) .


Output: Gospel of Mark