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: 'At noon EST , Barack H. Obama became the 44th president of the United States of America .'
answer:
president


question:
Given Relationship: 'bless', Sentence: 'God Bless America God bless the World .'
answer:
bless


question:
Given Relationship: 'be speaker of', Sentence: 'The Speaker of the U.S. House of Representatives , Nancy Pelosi , is the first woman to serve in this position .'
answer:

Speaker