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.

Ex Input:
Given Relationship: 'be chief of', Sentence: 'We work for the Chief Executive Officer also known as The President of the United States .'

Ex Output:
Chief


Ex Input:
Given Relationship: 'be party in', Sentence: 'In this , the Alliance for the Restoration of Democracy , a 12-party coalition headed by Benazir Bhutto 's Pakistan People 's Party and Nawaz Sharif 's Pakistan Muslim League , a coalition of six religious parties .'

Ex Output:
parties


Ex Input:
Given Relationship: 'be player in', Sentence: 'While waiting for the season to begin , OJ Mayo began playing pickup basketball against current NBA players Kobe Bryant , Kevin Garnett , Jason Kidd , Mike Dunleavy Jr. , Sam Cassell and J.J. Redick .'

Ex Output:

playing