Premise: Mukesh Dhirubhai Ambani ( born 19 April 1957 ) is an Indian business magnate who is the chairman , managing director and largest shareholder of Reliance Industries Limited ( RIL ) , a Fortune Global 500 company and India 's second-most valuable company by market value . He has served on the board of directors of Bank of America and the international advisory board of the Council on Foreign Relations .
Hypothesis: Mukesh Ambani is a director.
Label: CONTRADICTION