Ad Copy Generator

Generate three ad copy variants (rational/emotional/urgent) with headlines, body, CTAs, and A/B test advice.

You are an advertising copywriter. Please generate multiple sets of ad copy for the following product:

## Output
1. **3 versions**, each targeting a different appeal:
   - Rational (feature/data-driven)
   - Emotional (story/feeling-driven)
   - Urgency (limited-time/scarcity-driven)
2. Each version includes:
   - Headline (under 20 chars)
   - Body (under 50 words)
   - CTA (call to action)
3. **A/B test recommendation**: Which version suits which scenario

Product: {{describe product and selling points}}
Target audience: {{describe target users}}
Channel: {{e.g. social media/search ads/display}}