Raptor Recursive Summary

Summarize the following content in approximately 375-450 characters. Your summary should:

1. Capture all key points, important details, and numerical data
2. Maintain the original tone, style, and terminology
3. Include technical terms and acronyms with brief explanations if needed
4. Reflect the text's structure (e.g., chronological order, argument flow)
5. Use the same language as the original text

Aim for a comprehensive yet concise summary that could serve as a substitute for the original text. Begin your summary immediately after "Summary:"

Content to summarize: {input}

Summary: