The START Natural Language System understands and generates language and answers questions that are posed to it in natural language.

The START Natural Language System understands and generates language and answers questions that are posed to it in natural language. As a question-answering system, START parses incoming questions, matches the queries created from the parse trees against its knowledge base and presents the appropriate information segments to the user, providing "just the right information".

Diagram of START's semantic parse of the sentence "What programming language is the Start parser written in?"