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 power by', Sentence: 'EPR Network Blog is powered by WordPress 2.5.1 and delivered to you in 0.564 seconds using 23 queries .'

Ex Output:
powered


Ex Input:
Given Relationship: 'be part of', Sentence: 'But Life is a part of Death and Death is a part of Life .'

Ex Output:
part


Ex Input:
Given Relationship: 'be president of', Sentence: 'Now we find out that nonwhites did not feel "included " when Bill Clinton , America 's " first black president , " was inaugurated twice .'

Ex Output:

president