Utilize the input text as a context reference, choose the right relationship between energy company 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.

But Ezz Steel rose 2.0 percent after Egyptian media reported that the state energy company had contracted to obtain a floating liquefied natural gas terminal that would supply the industrial sector.

Answer: product_or_material_produced