XSD allow attribute only depending on other attribute value

Question

Suppose I have an XML element, food, that can take on one of two forms:

Answer 1

You can do this using XSD 1.1's Conditional Type Assignment:

Do consider, however, an alternative design that's expressible in both XSD 1.1 and 1.0 that's generally preferable:

That is, rather than have a kind attribute, use the element name to convey kind.