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 capital of', Sentence: 'We quickly learned that Prague has become the fashion capital of Eastern Europe .'

A: capital
****
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 leader of', Sentence: 'The main cities of the West Bank are surrounded and the Palestinian leader , Mr. Arafat , whom the Israeli government considers responsible for the terrorist attacks perpetrated by Palestinian organizations , is under siege in his headquarters in Ramallah .'

A:
leader
****