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.

Given Relationship: 'be member of', Sentence: 'The Division President invites all Division Committee members and Task Group members to contribute further nominations .'
members

Given Relationship: 'be chairman of', Sentence: 'Alan Greenspan , the Chairman of the U.S. Federal Reserve , the current U.S. administration , and U.S. politicians of all stripes could teach a few lessons to those who dictated the level of inflation ahead of them .'
Chairman

Given Relationship: 'be cause of', Sentence: 'First he said that HIV does not cause AIDS .'

cause