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 acquire by', Sentence: 'Google acquired Feedburner in June 2007 .'

Output: acquired


Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Pakistan 's president Gen . Pervez Musharraf threatened yesterday to kill militant followers of an Islamic cleric who said he and his comrades prefer death to surrender .'

Output: president


Input: Consider Input: Given Relationship: 'be invent by', Sentence: 'Tim Berners-Lee invented the World Wide Web in 1989 thus making the Internet more user-friendly with what he called "hyperlinks . "'


Output: invented