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: 'Later in the day , Rep. Barney Frank , the chairman of the House Financial Services Committee , raised the point again .', Argument/Subject 1: 'frank', Argument/Subject 2: 'financial service committee'
Example Output: be chairman of

Example Input: Sentence: 'But Obama supporters can have at least some solace to know that there has been no recent Pennsylvania poll with McCain leading Obama .', Argument/Subject 1: 'mccain', Argument/Subject 2: 'obama'
Example Output: lead

Example Input: Sentence: 'The Winters Solstice is also know as Yule , Christmas , and Saturnalia and it occurs in mid-December .', Argument/Subject 1: 'yule', Argument/Subject 2: 'winter solstice'
Example Output:
be know as