SettingPrimary questionDominant form
ReportWhat happened?Declarative sequence
Objection-replyWere the copies lost?Denial, restriction, clarification
InstructionWhat should be done?Commands, prohibitions, conditions
The subject—preservation of books—is shared, but the communicative requirement differs. In a simple report, excessive emphasis may raise unnecessary suspicion; when facing an accusation, a neutral chronology may fail to answer the charge; in instruction, an account of the past alone cannot guide future conduct.