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

Even in the worst of the current crisis, we have been able to evidence the appetite for green energy for transformative infrastructure solutions and how ACCIONA can take advantage of these opportunities.

Answer: industry