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: 'Gabrielle said looking back at Xena who was leading Argo .', Argument/Subject 1: 'xena', Argument/Subject 2: 'gabrielle'
Example Output: look up at

Example Input: Sentence: 'November 25 - President Bush signs the Homeland Security Act of 2002 , establishing the Department of Homeland Security .', Argument/Subject 1: 'act', Argument/Subject 2: 'homeland security'
Example Output: establish department of

Example Input: Sentence: 'Section 6.0 -The President shall be Chair of the Board , shall be responsible for the program of the annual meeting , presiding at meetings , shall promote cooperation with other organizations with common aims , and perform other such duties as usually pertain to this office .', Argument/Subject 1: 'board', Argument/Subject 2: 'president'
Example Output:
be chair by