Extend the context-sensitive grammar of Section XXXXXXXXXXto test for semantic agreement between the subject and verb. Specifically, men should not bite dogs, although dogs can either like or bite...

Extend the context-sensitive grammar of Section 15.2.3 to test for semantic agreement between the subject and verb. Specifically, men should not bite dogs, although dogs can either like or bite men. Perform a similar modification to the ATN grammar.

Expand the ATN grammar of Section 15.2.4 to include who and what questions.