From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

[Q]: Given Relationship: 'be chairman of', Sentence: 'Warner , an influential Republican and former chairman of the Senate Armed Services Committee , on Thursday recommended that Bush announce the beginning of a U.S. withdrawal in mid-September and that those troops should be back in the United States by Christmas .'
[A]: chairman

[Q]: Given Relationship: 'be language of', Sentence: 'Gaelic remained the language of the Kings of Scotland for centuries though after 1100 English was introduced in the Court by the hand of Margaret Queen to Malcolm Canmore and the daughter of the king of the Angles .'
[A]: language

[Q]: Given Relationship: 'be son of', Sentence: 'I am trying to find information about the KENNEDY family in the Albert Lea area : Leslie Richard Kennedy , b . 1893 , Marshall Co. , IA , son of John Leslie and Diantha J. Kennedy , married Ada FLANAGAN and had the following children : Milton , Lawrence " Pat" , Louise LEE , Clara Jane BROWN , Fant Dean " Bud " ( b .'
[A]:
son