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.

Example Input: Given Relationship: 'be speaker of', Sentence: 'Nancy Pelosi may be the dumbest Speaker of the U.S. House in living memory , with no understanding of how cars are designed , built and sold , but she is smart enough to know this : the bankruptcy of the Detroit Three automakers will be worse for the nation than throwing the kind of money that they are talking about now .'
Example Output: Speaker

Example Input: Given Relationship: 'become', Sentence: 'The organization which evolved was the guts of the unit which became the OSS and later the CIA .'
Example Output: became

Example Input: Given Relationship: 'be book of', Sentence: 'Throughout the summer Joseph studied the book of Genesis in the Old Testament .'
Example Output:
book