```json
{
  "criteria": {
    "c1": "met",
    "c2": "not_met",
    "c3": "not_met",
    "c4": "met",
    "c5": "not_met"
  },
  "note": "Termination (c3) was omitted entirely. For c2 and c5, the response does not show that splitting preserves multisets, and it asserts that each element appears 'exactly once' in the output, failing to properly account for duplicate elements."
}
```