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: 'Manmohan Singh is sworn in Prime Minister heading a 68-member Ministry , the first-ever Congress-led coalition , United Progressive Alliance .', Argument/Subject 1: 'ministry', Argument/Subject 2: 'minister'
Example Output: be head by

Example Input: Sentence: 'The sages of the years have been intrigued with the great and wonderful works of God .', Argument/Subject 1: 'great', Argument/Subject 2: 'god'
Example Output: be work of

Example Input: Sentence: 'Public edit logs reveal that Wales has changed his own Wikipedia bio 18 times , deleting phrases describing former Wikipedia employee Larry Sanger as a co-founder of the site .', Argument/Subject 1: 'sanger', Argument/Subject 2: 'wikipedium'
Example Output:
be co-founder of