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 capital of', Sentence: 'We quickly learned that Prague has become the fashion capital of Eastern Europe .'

Output: capital


Input: Consider Input: Given Relationship: 'be governor of', Sentence: 'His candidacy galvanized young and idealistic voters in much the same way that former Vermont governor Howard Dean energized those opposed to the war in Iraq .'

Output: governor


Input: Consider Input: Given Relationship: 'be mayor of', Sentence: 'I was rather intrigued by the changes that had propelled Harold Washington to become the first black mayor of Chicago in 1983 .'

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: mayor


