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 president of', Sentence: 'Barack Obama today becomes the first black president of the United States of America .'

Ex Output:
president


Ex Input:
Given Relationship: 'live in', Sentence: 'Cheetahs live in Africa and southwestern Asia in group of brothers from the same .'

Ex Output:

live