```json
{
  "criteria": {
    "c1": "not_met",
    "c2": "not_met",
    "c3": "not_met",
    "c4": "not_met",
    "c5": "not_met"
  },
  "note": "The response uses multiple inheritance via mixins instead of composition, omitting the diving capability and diving bird implementation entirely. Full tests demonstrating parity across all behaviors are also missing."
}
```