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 president of', Sentence: 'Tomorrow Barack Obama will become president of the United States .'

Ex Output:
president

Ex Input:
Given Relationship: 'release', Sentence: 'Event Report of Special Lecture on May 29 , 2008 released .'

Ex Output:
released

Ex Input:
Given Relationship: 'kill', Sentence: 'David kills the Amalekite for killing Saul , his enemy .'

Ex Output:
kills