Categorize these {file_count} files into folders based on their content and purpose.
{constraint}

FILES:
{files_list}

RULES:
1. Analyze actual file content, not just names
2. Group by purpose/theme (resumes together, photos together, etc.)
3. Use descriptive folder names (2-4 words, underscores)
4. Return EXACTLY {file_count} folder names, one per line
5. Same folder name for related files

Respond with {file_count} folder names only, one per line: