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: 'stand for', Sentence: 'MMA stands for Mixed Martial Arts and it is a system in which all types of fighting styles are used to see , which one is best .'

Ex Output:
stands


Ex Input:
Given Relationship: 'be president of', Sentence: 'Barrack Obama has finally got elected as the President of the United States of America , after months of hard work and his unwavering faith in the electorate .'

Ex Output:
President


Ex Input:
Given Relationship: 'be work of', Sentence: 'The Faith has been preserved in its fullness by God in Christ , through the work and guidance of the Holy Spirit throughout history in His One Visible Church .'

Ex Output:

work