Found Poetry Extraction

Transform this source text into a found poem by selecting and arranging existing words.

Source text:
{{source_text}}

Desired mood: {{mood}}
Length constraint: {{line_count}} lines maximum

Rules I must follow:
- Use only words that appear in the source
- Maintain original word forms (no conjugation changes)
- Arrange for rhythm and meaning
- Create line breaks that generate new significance

Provide:
1. The extracted found poem
2. Explanation of word choices
3. How arrangement created new meaning