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 son of', Sentence: 'She married Major Arthur William Fitz Roy Somerset , son of Field Marshal FitzRoy James Henry Somerset , 1st Baron Raglan , on 8 July 1845 .'

Ex Output:
son


Ex Input:
Given Relationship: 'be city in', Sentence: 'Mumbai is the second most populous city in India and the country 's chief principal west seaport .'

Ex Output:
city


Ex Input:
Given Relationship: 'withdraw from', Sentence: 'Israel previously withdrew from Lebanon and then from Gaza unilaterally , rather than negotiating political settlements with the Lebanese government and the Palestinian Authority .'

Ex Output:

withdrew