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 invent by', Sentence: 'When Tim Berners-Lee invented the World Wide Web , he gave the world a new medium for publishing content , both personal and professional .'

Output: invented


Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Having Obama elected as the United States ' next president comes as more of a shock than anything I 'd expected out of this election .'

Output: president


Input: Consider Input: Given Relationship: 'be appoint by', Sentence: 'In 1991 , TLA President Cynthia Gray appointed an ad hoc Leadership Development Committee that included Carol Bartz , Jane Gamez , Irene Hoadley , Bonnie Juergens , Antonio Martinez , Cyd Sheffy , and Mary Kay Snell .'


Output: appointed