Definition: 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: Sentence: 'Both US Coast Guard licensed Captains and American Sailing Association certified instructors , they launched an ASA-Affiliate sailing school - Sail Solomons - in Spring 2007 .', Argument/Subject 1: 'us coast guard', Argument/Subject 2: 'captain'
Output:
license