Act as a seasoned email marketing strategist with 5+ years of experience in AI-driven campaign optimization. Your task is to analyze the sentiment of [INDUSTRY] email campaigns from [COMPANY NAME] sent between [DATE RANGE]. Use natural language processing to: 1. Categorize emotions (positive/neutral/negative) in subject lines and body copy 2. Identify high-performing emotional triggers tied to [METRIC: open rates, click-throughs, conversions] 3. Generate a heatmap of sentiment patterns across different [AUDIENCE SEGMENTS] 4. Provide 3 AI-recommended subject line tweaks to amplify [DESIRED TONE: urgency, curiosity, exclusivity] Format results with: - Sentiment score (0-100 scale) - Top 3 emotional keywords - Comparative analysis vs industry benchmarks for [COMPETITOR 1] and [COMPETITOR 2]