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: 'run for', Sentence: 'He was campaigning for Barack Obama on behalf of the campaign in Philadelphia yesterday and today he 's going to be on the campus of Ohio State University and , so , we 'll have some of that for you coming up during this coming hour and Mary , even though Barack Obama is running for president of the United States , the campaign still comfortable referring to Bruce Springsteen as the boss .'

Output: for


Input: Consider Input: Given Relationship: 'be founder of', Sentence: 'The Nazis and people like Margaret Sanger , the founder of Planned Parenthood , believe in creating a perfect race .'

Output: founder


Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Kagame is now Rwanda 's president .'


Output: president