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: '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 .'
Example Output: for

Example Input: Given Relationship: 'join', Sentence: 'Football star David Beckham will remain in Italy after joining AC Milan while his wife Victoria will stay back in Los Angeles with their three ...'
Example Output: joining

Example Input: Given Relationship: 'be build on', Sentence: 'The Parthenon is the largest and most important building on the Acropolis .'
Example Output:
building