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 form of', Sentence: 'This suggests that ATIVAN is a very buried form of ASD.'

Ex Output:
form

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 member of', Sentence: 'Greece is a member of the alliance called the European Union , and , unfortunately , we still are not .'

Ex Output:
member