Is a restaurant like Outback Steakhouse considered part of the Business to Business industry?

I am having difficulties deciding if a restaurant is Business to Consumer (B2C) or Business to Business (B2B)Is a restaurant like Outback Steakhouse considered part of the Business to Business industry?
It's business to consumer. Business to business is exactly what it says, it is business conducted by one business to another, example, a marketing firm is almost exclusively business to business since most individuals have no use to market themselves for no reason. Business to consumer is also what it sounds like, a business does a product or service for an individual personIs a restaurant like Outback Steakhouse considered part of the Business to Business industry?
B2C