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.

Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Pakistan 's president Gen . Pervez Musharraf threatened yesterday to kill militant followers of an Islamic cleric who said he and his comrades prefer death to surrender .'

Output: president


Input: Consider Input: Given Relationship: 'be language of', Sentence: 'Do you want to teach English as a Foreign Language inside Canada or another English-speaking country ?'

Output: Language


Input: Consider Input: Given Relationship: 'be province in', Sentence: 'Canada 's East Coast travel and tours in the Maritimes and Canada 's Eastern provinces including Ontario , Quebec , New Brunswick , Prince Edward Island , Nova Scotia and Newfoundland .'


Output: provinces