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: 'Rajdhani connects New Delhi with major cities in India .', Argument/Subject 1: 'new delhus', Argument/Subject 2: 'indium'
Example Output: be city of

Example Input: Sentence: 'The Executive Committee of the Board of Directors of BUSC consists of elected members serving 2-year terms .', Argument/Subject 1: 'board', Argument/Subject 2: 'executive committee'
Example Output: consist of

Example Input: Sentence: 'When President Thabo Mbeki stirred controversy a few years ago by saying that HIV did not cause AIDS , the national daily noted that Zuma "did not buy into the denialism . "', Argument/Subject 1: 'hiv', Argument/Subject 2: 'aid'
Example Output:
be cause of