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.

Example Input: Sentence: 'This first is to focus on thoughts on America and being American .', Argument/Subject 1: 'american', Argument/Subject 2: 'america'
Example Output: be focus on

Example Input: Sentence: 'The headquarters of the United States Military Cancer Institute is located at the Walter Reed Army Medical Center in Washington , D.C.', Argument/Subject 1: 'center', Argument/Subject 2: 'unite state'
Example Output: be locate in

Example Input: Sentence: 'In the National Review , editor Rich Lowry says Trig Palin would do the nation much good if he could make us reexamine our outdated assumptions .', Argument/Subject 1: 'rich lowry', Argument/Subject 2: 'national review'
Example Output:
be editor of