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 festival of', Sentence: 'The home is costly perfection itself and the family has gathered to celebrate the great Christian festival Christmas .'

Ex Output:
festival


Ex Input:
Given Relationship: 'be capital of', Sentence: 'London is the largest capital of England and United Kingdom .'

Ex Output:
capital


Ex Input:
Given Relationship: 'be capital city of', Sentence: 'Lisbon is the capital of Portugal and largest city in the country , the city is also known as The Town of the Seven Hills .'

Ex Output:

capital