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 secretary-general of', Sentence: 'Secretary-General Ban Ki-moon appointed Kiyotaka Akasaka of Japan as United Nations Under-Secretary-General for Communications and Public Information on April 1 2007 .'

Ex Output:
Secretary-General

Ex Input:
Given Relationship: 'be part of', Sentence: 'Israel will only withdraw from parts of the West Bank and from Gaza .'

Ex Output:
parts

Ex Input:
Given Relationship: 'be president of', Sentence: 'Barack Obama was sworn in and has officially become President of the United States .'

Ex Output:
President