Utilize the input text as a context reference, choose the right relationship between BG Group and natural gas 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.
Text: BRUSSELS, July 30 (Reuters) - European Union antitrust regulators will decide by Sept. 2 whether to approve Royal Dutch Shell (LSE: RDSB.L - news ) 's planned 47 billion pound ($73.25 billion) buy of BG Group (LSE: BG.L - news ) to become the world's top liquefied natural gas company.
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product_or_material_produced
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