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.

Example Input: Given Relationship: 'be secretary of', Sentence: 'He appointed Colin Powell as Secretary of State , Paul O'Neill as Secretary of the Treasury , and Donald Rumsfeld as the Secretary of Defense .'
Example Output: Secretary

Example Input: Given Relationship: 'be city in', Sentence: 'Milan hotels -Milan is either Italy 's second or first city , depending on who you ask .'
Example Output: city

Example Input: Given Relationship: 'be introduce in', Sentence: 'The Crown Lands Legislation Amendment Bill 2004 was introduced to the Lower House as a cognate Budget Bill .'
Example Output:
introduced