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

I think one of the more puzzling facts in our industry over the last, which has become more transparent that last week or so has been a view of very, very soft demand from most people supply in the battery industry allied with a couple of big battery producers talking incredibly bullishly about what Q3 is going to look like for them.

Answer: product_or_material_produced