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.

[EX 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 .'
[EX A]: language

[EX Q]: Given Relationship: 'surrender at', Sentence: 'When Cornwallis surrendered at Yorktown it is said while the British played The World Turned Upside Down , the Americans played Yankee Doodle .'
[EX A]: surrendered

[EX Q]: Given Relationship: 'be secretary of', Sentence: 'At a news conference , Obama also introduced retired Marine General James Jones as White House national security adviser , former Justice Department official Eric Holder as attorney general and Arizona Governor Janet Napolitano as secretary of homeland security .'
[EX A]:
secretary