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.

Ex Input:
Given Relationship: 'be mayor of', Sentence: 'Former New York City mayor Rudy Giuliani joined in the mockery .'

Ex Output:
mayor


Ex Input:
Given Relationship: 'be appoint by', Sentence: 'The President of ABA International shall appoint , as necessary to do the work of the Accreditation Board , additional ad hoc members to the Board .'

Ex Output:
appoint


Ex Input:
Given Relationship: 'discover', Sentence: 'Latin America or the New World was first discovered by Christopher Columbus in 1492 , it is said that Italian Explorer Amerigo Vespucci who explored South America during the years 1497 and 1502 suggested that the Americas were not the East Indies .'

Ex Output:

discovered