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: 'William Jefferson Clinton was the 42nd president of the United States .', Argument/Subject 1: 'william jefferson clinton', Argument/Subject 2: 'unite state'
Example Output: be president of

Example Input: Sentence: 'Not only for the twin towers fentanyl ZOLPIDEM may cause Restless Leg Syndrome and nighttime grinding of teeth .', Argument/Subject 1: 'zolpidem', Argument/Subject 2: 'restless leg syndrome'
Example Output: cause

Example Input: Sentence: 'Launched in 2004 , Energize is an innovative and industry led programme that focuses on the strategic development of SMEs based in the West Wales counties of Pembrokeshire , Carmarthenshire , Swansea and Neath-Port Talbot who work within and supply goods and services to the energy sector .', Argument/Subject 1: 'carmarthenshire', Argument/Subject 2: 'wale'
Example Output:
be county of