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 president of', Sentence: 'Barrack Obama has finally got elected as the President of the United States of America , after months of hard work and his unwavering faith in the electorate .'
Example Output: President

Example Input: Given Relationship: 'invade', Sentence: 'He referred to the USA invading Iraq without cause and nothing being done about it .'
Example Output: invading

Example Input: Given Relationship: 'be founder of', Sentence: 'Since the formalisation of the lending activities of the eminent Mohammed Yunus , the founder of the Grameen Bank in Bangladesh in the 1970s , similar institutions have emerged worldwide .'
Example Output:
founder