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 chief of', Sentence: 'We work for the Chief Executive Officer also known as The President of the United States .'

Output: Chief


Input: Consider Input: Given Relationship: 'be locate by', Sentence: 'The El Cid Marina Beach Hotel and Yacht Club is a luxury hotel located 13 miles from Mazatlan International Airport .'

Output: located


Input: Consider Input: Given Relationship: 'be president of', Sentence: 'Paul Wolfowitz , Iraq War II mastermind and current president of the World Bank , has admitted he erred in intervening to get his girlfriend an unusually lucrative posting in 2005 , shortly afer arriving at the institution .'


Output: president