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.

Input: Consider Input: Sentence: 'Colin Powell endorsed Obama because he 's black .', Argument/Subject 1: 'powell', Argument/Subject 2: 'obama'

Output: endorse


Input: Consider Input: Sentence: 'Bishop Museum is extremely thankful to the HMSA Foundation and the Samuel N. and Mary Castle Foundation for their generous contributions , said Bishop Museum president Dr. Bill Brown .', Argument/Subject 1: 'bill', Argument/Subject 2: 'mary'

Output: say to


Input: Consider Input: Sentence: 'Austin is served by the Austin-Bergstrom International Airport .', Argument/Subject 1: 'austin', Argument/Subject 2: 'austin-bergstrom international airport'


Output: be serve by