Utilize the input text as a context reference, choose the right relationship between Bouygues and Martin Bouygues from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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.

Answer: director_/_manager