problem 1:

prepare down the various speech acts.

problem 2:

What do you understand by the term speech act?

problem 3:

How agents do communication?

problem 4:

What are closed classes and open classes?

problem 5:

Illustrate out the term top down parsing by a search problem.

problem 6:

Illustrate out the bottom up parsing by a search problem.

problem 7:

Why grammars are to be augmented?

problem 8:

prepare down the various types of ambiguity.