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: 'convert to', Sentence: 'Emperor Constantine converted to Christianity and made it the official religion of the empire .'

Answer: converted

Question: 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 .'

Answer: Secretary

Question: Given Relationship: 'be accept through', Sentence: 'We accept all Major Credit Cards through PayPal or Visa and Master card by phone .'

Answer:
through