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.

Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Barack Obama today becomes the first black president of the United States of America .'

Output: president


Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Of those 29 only one refers to general politics it is the one I signed with my colleague , the President of the People 's Republic of China , Mr Hu Jintao .'

Output: President


Input: Consider Input: Given Relationship: 'be band from', Sentence: 'Pink Martini is a 14-piece music band from Portland , Oregon .'


Output: from