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.

Example Input: Given Relationship: 'be man of', Sentence: 'David was a man after God 's own heart , and yet he had sins of his youth which reproached him .'
Example Output: man

Example Input: Given Relationship: 'be leader of', Sentence: 'The leader of the U.S. House of Representatives , Speaker Nancy Pelosi , toured Jerusalem holy sites Saturday alongside a congressional delegation that included Democratic Rep. Keith Ellison , the first Muslim elected to Congress .'
Example Output: leader

Example Input: Given Relationship: 'be son of', Sentence: 'She married John William Henry Dalrymple , 7th Earl of Stair , son of General William Dalrymple and Marianne Dorothy Harland , on 28 May 1804 .'
Example Output:
son