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 son of', Sentence: 'James and John , the sons of Zebedee , had traveled with Jesus for three years and still they wanted to assume positions of leadership that would give them great prestige , satisfy their egos , and give them power over others .'
Example Output: sons

Example Input: Given Relationship: 'be choose by', Sentence: 'It 's quite obvious to me that John McCain chose Sarah Palin for her personal qualitiies , among other things .'
Example Output: chose

Example Input: Given Relationship: 'be town in', Sentence: 'It also has centres in other Fiji towns of Nadi , Ba and Labasa .'
Example Output:
towns