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 president of', Sentence: 'On Tuesday , November 4 , 2008 at about 8pm Pacfic Time , the major news networks officially called the election for the President of the United States of America for Democratic Candidate Barack Obama .'
Example Output: President

Example Input: Given Relationship: 'discover', Sentence: 'They were all established in Polynesia before Columbus discovered America , and hence could not have been introduced by later Spanish vessels .'
Example Output: discovered

Example Input: Given Relationship: 'be locate on', Sentence: 'The newer , more tourist-focussed operations are mainly located on the Back Beach while the Front Beach area is home to more business-oriented hotels plus several slightly jaded two and three star hostelries .'
Example Output:
located