Detailed Instructions: 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.
Problem:Sentence: 'Tony Perkins , president of the " Family Research Council , " has said that Pryor has been a target of religious discrimination because of his " Christian doctrine " opposing , among other things , abortion .', Argument/Subject 1: 'perkin', Argument/Subject 2: 'family research council'
Solution:
be president of