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

Answer: Chief


Question: Given Relationship: 'be member of', Sentence: 'Brevik has been actively involved in Christian ministry in a number of capacities over the past 18 years , including Church Council President , Elder , Missions Board member , and Outreach Coordinator .'

Answer: member


Question: Given Relationship: 'offer in', Sentence: 'The Mathematics Department also offers a comprehensive major in physics mathematics and minors in liberal arts , actuarial science , teaching and middle childhood/early adolescence teaching .'

Answer:
offers