Version 2 of Conversational Defaults by Eric Eve begins here.
"Provides a set of rules to facilitate defining default conversational responses for different conversational commands targeted at various NPCs. This extension requires Conversation Framework."

• Book 1 - Includes
• Book 2 - Rules
• Part 1 - The Response Rule Books
• Part 2 - Rules to Relate the Rulebooks
• Part 3 - Report Rules to Use the Rulebooks
• Part 4 - Removing Some Existing Rules