2. The method of claim 1 , wherein the structural representation of discourse is determined based on a theory of discourse analysis.
2. The method of claim 1 , wherein the structural representation of discourse is determined based on a theory of discourse analysis. 3. The method of claim 2 , wherein the theory of discourse analysis is at least one of the Linguistic Discourse Model, the Unified Linguistic Discourse Model, Rhetorical Structure Theory, Discourse Structure Theory and Structured Discourse Representation Theory.