Utilize the input text as a context reference, choose the right relationship between al Qaeda and Osama bin Laden 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.

DUBAI, Aug 1 (Reuters) - A sister of former al Qaeda leader Osama bin Laden was killed along with her husband and mother when a private jet crashed in southern England on Friday, Saudi-owned al-Arabiya television reported on Saturday.

Answer: chairperson