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.
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Question: Given Relationship: 'be speaker of', Sentence: 'Speaker of the House Nancy Pelosi to the floor of the House for a vote that , if passed , will remove the ban on exploration and drilling in all the areas with the most potential .'

Answer: Speaker


Question: Given Relationship: 'be city in', Sentence: 'Capital and largest city of the state of Ohio is Columbus .'

Answer: city


Question: Given Relationship: 'be candidate for', Sentence: 'I believe that Barack Obama is the best candidate to succeed George W. Bush as President of the United States .'

Answer:
candidate