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 brother of', Sentence: 'It is believed that John Graham and Nancy Graham Raines had brothers James Graham and Thomas Graham , and probably the William Graham , who m . Susannah ?'
Example Output: brothers

Example Input: Given Relationship: 'be operate in', Sentence: 'The Web Site is operated by API from its offices within the United States , more specifically Alabama , and all information provided by you and gathered by API is processed in the United States .'
Example Output: operated

Example Input: Given Relationship: 'be dance of', Sentence: 'Flamenco is the well known dance of Spain and has often been compared with its cousin Raqs Sharqi .'
Example Output:
dance