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 son of', Sentence: 'Our hope is to know God and His son Jesus fully and to be in fellowship with them forever .'

Ex Output:
son


Ex Input:
Given Relationship: 'be republican on', Sentence: 'Charles Grassley of Iowa , the top Republican on the Senate Finance Committee , said , " If our law officers are overlooking the E.U. 's frozen assets list , they 're missing an obvious piece of the anti-terrorism pie . "'

Ex Output:
Republican


Ex Input:
Given Relationship: 'elect', Sentence: 'WASHINGTON CNN President elect Barack Obama .'

Ex Output:

elect