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', Sentence: 'Run Linux within Virtual PC within Mac OS X ...'
Example Output: Run

Example Input: Given Relationship: 'be city of', Sentence: 'It is the only freighter service operating from Coimbatore Airport , which is located in a highly industrialised area and is the second largest city in the state of Tamil Nadu .'
Example Output: city

Example Input: Given Relationship: 'have', Sentence: 'As Chair of the Senate Appropriations Committee , he has been a powerful ally of population research , working hard to assure solid funding for the field .'
Example Output:
he