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: 'The elected officers of the Society shall be a President , a Vice-President , a Secretary and a Treasurer .', Argument/Subject 1: 'president', Argument/Subject 2: 'society'
Example Output: be officer of

Example Input: Sentence: 'Crile repeatedly says that Carter signed such a finding ordering the CIA to provide covert backing to the moujahedeen after the Soviet Union invaded Afghanistan on Dec. 24 , 1979 .', Argument/Subject 1: 'soviet union', Argument/Subject 2: 'afghanistan'
Example Output: invade

Example Input: Sentence: 'Andros is the largest of the Bahama islands , lying on the western side of the U-shaped Great Bahama Bank .', Argument/Subject 1: 'andro', Argument/Subject 2: 'bahama'
Example Output:
be island in