Full Idea
A syntactic theory of category mistakes would require not only general syntactic features such as must-be-human, but also highly particular ones such as must-be-a-grape.
Gist of Idea
Category mistakes as syntactic needs a huge number of fine-grained rules
Source
Ofra Magidor (Category Mistakes [2013], 2.3)
Book Reference
Magidor,Ofra: 'Category Mistakes' [OUP 2013], p.36
A Reaction
Her grape example comes from Hebrew, but an English example might be the verb 'to hull', which is largely exclusive to strawberries. The 'must-be' form is one of Chomsky's 'selectional features'.