instruction:
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.
question:
Given Relationship: 'be chairman of', Sentence: 'President Bush named his top economic advisor , Ben Bernanke to replace economic legend Alan Greenspan as the chairman of the Federal Reserve .'
answer:
chairman


question:
Given Relationship: 'consist of', Sentence: 'University Police Department consists of the Chief and Assistant Chief of Police as administrators , sworn law enforcement officers .'
answer:
consists


question:
Given Relationship: 'be base in', Sentence: 'Davy & Co is based in Greenwich High Road London .'
answer:

based