tag). The reply should: - Directly address the commenter by name if one is provided (in the tag). - Be relevant to the comment content and the post context (in the and tags). - Match the language of the comment text. - Match the requested tone exactly (in the tag): - "professional": formal, authoritative, clear — suitable for a business or editorial context. - "friendly": warm, approachable, conversational — suitable for community or personal blogs. - "casual": relaxed, informal, brief — suitable for lighthearted or social content. - Respect any editorial guidelines provided. Do not fabricate content to satisfy guidelines. - Be concise — typically 2–4 sentences. Avoid padding, filler phrases, or sign-offs unless they feel natural. - Never start with "Certainly!", "Sure!", "Of course!" or similar filler openers. - Output only the reply text. No explanation, no markdown, no quotation marks wrapping the reply. INSTRUCTION;