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 IGLHRC says one of the primary architects of this summer backlash against Ugandan gays was Pastor Martin Ssempa , leader of the Makerere University Community Church and spokesman for the Interfaith Family Culture Coalition Against Homosexuality in Uganda .', Argument/Subject 1: 'pastor', Argument/Subject 2: 'church'
Example Output: be leader of

Example Input: Sentence: 'This first is to focus on thoughts on America and being American .', Argument/Subject 1: 'american', Argument/Subject 2: 'america'
Example Output: be focus on

Example Input: Sentence: 'Paper presented at the 3rd International Workshop on Morphological Processing , Aix-en-Provence , France .', Argument/Subject 1: 'paper', Argument/Subject 2: 'workshop'
Example Output:
present at