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: 'attack', Sentence: 'It is no surprise to many Americans to hear that Bush may want to attack Iran on the same grounds he attacked Iraq .'
Example Output: attack

Example Input: Given Relationship: 'locate in', Sentence: 'The large building to the left of Union Station is the National Postal MuseumThe National Postal Museum in Washington , D. is located across the street from Union Station and houses many interactive displays about the history of the United States Postal Service and of mail service around the world .'
Example Output: located

Example Input: Given Relationship: 'be son of', Sentence: 'Dasaratha is the eldest son of Aja , and his four sons , a precious jewel each one , are Rama , Lakshmana , Bharatha and Satrughna .'
Example Output:
son