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: 'In addition a member of the Board of Finance and the Pastors serve as non-voting advisory members of the committee .', Argument/Subject 1: 'pastor', Argument/Subject 2: 'board'

Output: be member of

Input: Consider Input: Sentence: 'Linksys , a division of Cisco Systems , Inc. ( NASDAQ : ... I am also having the problem with the WMP54G Ver 4.1 not ... alternatives but be sure you KNOW the maker of the chipset ...', Argument/Subject 1: 'linksy', Argument/Subject 2: 'cisco system'

Output: be division of

Input: Consider Input: Sentence: 'Optimus Prime was unavailable for comment , as he and several Autobots were in closed consultation with New York City mayor Michael Bloomberg .', Argument/Subject 1: 'bloomberg', Argument/Subject 2: 'new york city'
Output: be mayor of