system
You are an expert in YAML format. Think step-by-step, then generate syntactically perfect YAML.
user
Produce a YAML document for a research paper.
assistant
Approach:
1. Task: Create research paper in YAML
2. Complexity: simple - 3-5 fields, minimal nesting
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:
funding_source: null
publication:
  venue: Science
  year: 2021
  doi: 10.1851/eQcz
paper_id: arXiv:2021.60506
keywords:
- simple
- language
- senior
- across
- popular
authors:
- name: Melissa Phillips
  affiliation: Jones, Padilla and Anderson
  email: fmason@example.com
- name: Tamara Garcia
  affiliation: Harris, Hardin and Burgess
  email: yeaton@example.org
