Utilize the input text as a context reference, choose the right relationship between Petrobras and 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.

Anelise, Petrobras working towards divestments in the gas midstream and downstream and bringing on more competition to the gas sector.
product_or_material_produced