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: 'Ted Haggard resigned Thursday afternoon as president of the National Association of Evangelicals , amid allegations that surfaced Wednesday about involvement with a male prostitute .'
Example Output: president

Example Input: Given Relationship: 'be president of', Sentence: 'Tomorrow Barack Obama will become president of the United States .'
Example Output: president

Example Input: Given Relationship: 'be surround by', Sentence: 'Lesotho is geographically surrounded by South Africa and economically integrated with it as well .'
Example Output:
surrounded