Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
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Question: Sentence: 'The first man to discover the fire was William Drummond son of Mr. and Mrs. John J. Drummond who occupied the house opposite the burned Bristol garage at the corner of C street and Marsh avenue .', Argument/Subject 1: 'john', Argument/Subject 2: 'william'

Answer: be son of


Question: Sentence: 'Yin and yang are always opposite , with yin being sweet , cold , and passive and with yang being salty , hot , and aggressive .', Argument/Subject 1: 'yang', Argument/Subject 2: 'yin'

Answer: be opposite of


Question: Sentence: 'The present members of the Board of Directors are : Dr. James E. Shepard , President North Carolina College for Negroes , Durham , N. C.', Argument/Subject 1: 'president', Argument/Subject 2: 'board'

Answer:
be member of