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 president of', Sentence: 'Tomorrow Barack Obama will become president of the United States .'
answer:
president

question:
Given Relationship: 'release', Sentence: 'On 29th October Oasis release a brand new DVD film .'
answer:
release

question:
Given Relationship: 'serve on', Sentence: 'He is a founding member and currently serves as the Treasurer and as a member of the Executive Committees of both the International Association for the Study of Pain .'
answer:
serves