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: 'Manmohan Singh is sworn in Prime Minister heading a 68-member Ministry , the first-ever Congress-led coalition , United Progressive Alliance .', Argument/Subject 1: 'ministry', Argument/Subject 2: 'minister'
Example Output: be head by

Example Input: Sentence: 'Johns Hopkins alumnus and New York City mayor Michael Bloomberg described this exactly when he wrote : " Once make a fortune , the real question is , what 's it for ?', Argument/Subject 1: 'michael bloomberg', Argument/Subject 2: 'new york'
Example Output: be mayor of

Example Input: Sentence: 'She is an Executive member of the Australian Society for Biochemistry and Molecular Biology in her role as national Secretary , having previously been on the Editorial Board of the Society ?s magazine ? The Australian Biochemist ? and has acted as the Western Australian state representative .', Argument/Subject 1: 'secretary', Argument/Subject 2: 'society'
Example Output:
be member of