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 grandfather of', Sentence: 'George III was also the grandfather of Queen Victoria , who was the daughter of his fourth son , Edward Augustus , the Duke of Kent .'

Ex Output:
grandfather

Ex Input:
Given Relationship: 'be call', Sentence: 'Is anyone here familiar with a novel entitled Simon Called Peter by Robert Keable ?'

Ex Output:
Called

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