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: 'But that was exactly what John McCain chose when he picked Palin .', Argument/Subject 1: 'mccain', Argument/Subject 2: 'palin'
Example Output: choose

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: 'Nanjing , capital of eastern Jiangsu province , is the latest city to set a limit on air conditioning use as pressure from the central government to save energy starts to take effect over fears of power failures this summer .', Argument/Subject 1: 'nanj', Argument/Subject 2: 'jiangsu'
Example Output:
be capital of