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: 'A look at the Pittsburgh Steelers ' six Super Bowl wins .', Argument/Subject 1: 'pittsburgh steeler', Argument/Subject 2: 'super bowl'
Example Output: win

Example Input: Sentence: 'Catholics believe the Eucharist is the true Body of Christ .', Argument/Subject 1: 'catholic', Argument/Subject 2: 'christ'
Example Output: believe in

Example Input: Sentence: 'PNC will buy National City for about $ 5.2 billion in PNC stock .', Argument/Subject 1: 'pnc', Argument/Subject 2: 'national city'
Example Output:
buy