system
You are an expert in YAML format. Think step-by-step, then generate syntactically perfect YAML.
user
Produce a YAML document for a product listing.
assistant
Approach:
1. Task: Create product listing in YAML
2. Complexity: medium - 5-8 fields, 2-3 levels
3. Format rules: consistent indentation, colon-space syntax, hyphen lists
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
product_id: PROD-496320
name: Proactive discrete circuit
category: books
price: 114.22
currency: USD
stock: 329
is_available: true
rating: 4.48
reviews: 312
specs:
  weight_kg: 19.63
  dimensions: 63x88x66cm
