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: 'The United States of America just inaugurated its 44th president , Barack Obama .'

Output: president


Input: Consider Input: Given Relationship: 'win', Sentence: '1934 The Rangers acquired goalie Davey Kerr from the Montreal Maroons , the very team they defeated to win their first Stanley Cup .'

Output: win


Input: Consider Input: Given Relationship: 'look at', Sentence: 'He and Willow head off to find the crypt and Buffy decides to look for Spike .'


Output: look