Formally, I believe the first form can be produced by a regular grammar, but the second form can not. Check out the Chomsky hierarchy for a rundown on the power of each type of grammar.
Natural language is full of constructions that can’t be produced by a regular grammar, but which nobody has any trouble parsing. So that can hardly be the issue.
Formally, I believe the first form can be produced by a regular grammar, but the second form can not. Check out the Chomsky hierarchy for a rundown on the power of each type of grammar.
Natural language is full of constructions that can’t be produced by a regular grammar, but which nobody has any trouble parsing. So that can hardly be the issue.