In a phrase-structure grammar, there are two main types of symbol: ________________ (consisting of vocabulary items or words), and _________________ (everything else)

Question

Quizplus · Accepted Answer

In a phrase-structure grammar, the symbols that represent actual vocabulary items or words are called terminal elements because they appear at the end of a branch in a parse tree. Everything else, such as phrases and other intermediate structures, are called non-terminal elements because they can be further expanded into smaller structures. Therefore, the best choice is E, which refers to the distinction between terminal elements and non-terminal elements.

In a Phrase-Structure Grammar, There Are Two Main Types of Symbol