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: 'XHTML provides the framework for future extensions of HTML and aims to replace HTML in the future .', Argument/Subject 1: 'html', Argument/Subject 2: 'xhtml'
Example Output: be replace by

Example Input: Sentence: 'It serves as a crossroads between several major New England cities including Providence , Hartford and Boston .', Argument/Subject 1: 'providence', Argument/Subject 2: 'new england'
Example Output: be city in

Example Input: Sentence: 'Speeches by the President of the Athens Olympic Games Organising Committee , Gianna Angelopoulos , and the President of the International Olympic Committee , Jacques Rogge , followed the introduction of new members of the Athletes Commission .', Argument/Subject 1: 'jacque rogge', Argument/Subject 2: 'international olympic committee'
Example Output:
be president of