In June, Bouygues head Martin Bouygues rebuffed a 10 billion euro bid for Bouygues Telecom, France's third-largest mobile operator, by Altice (ATCE.AS), the holding company of tycoon Patrick Drahi.
What is the relationship between 'Bouygues' and 'Martin Bouygues' in the context of the input sentence.
Options: chief executive officer, director/manager, stock exchange, chairperson