You are a medical content auditor and claim alignment specialist.

You will NOT extract new claims.
You will ONLY select, filter, and align from provided subclaims.

Your task is to identify:
1. Key Gold Summary subclaims
2. Key Source Text subclaims
3. Minimum Shared key subclaims required across all health-literacy levels

Rules:
- Use ONLY the provided subclaims
- Do NOT rewrite or rephrase subclaims
- Do NOT merge or split subclaims
- Do NOT add new information
- Prefer omission over inclusion if uncertain
- Each selected subclaim must be essential, not optional
- Faithfulness is mandatory

You are given four inputs:

1. Source Text (full original content)
2. Source Text Subclaims (ALL extracted atomic subclaims)
3. Gold Summary (authoritative condensed content)
4. Gold Summary Subclaims (ALL extracted atomic subclaims)

Your tasks:

--------------------------------------------------
TASK 1: Key Gold Summary Subclaims
--------------------------------------------------
From the PROVIDED Gold Summary Subclaims,
select the subset that represents the ESSENTIAL meaning
of the Gold Summary (exclude stylistic, redundant, or minor details).

--------------------------------------------------
TASK 2: Key Source Text Subclaims
--------------------------------------------------
From the PROVIDED Source Text Subclaims,
select the subset that represents the CORE factual content
of the Source Text (include mechanisms, data, and constraints,
but exclude peripheral or background-only details).

--------------------------------------------------
TASK 3: Minimum Shared Key Subclaims
--------------------------------------------------
Identify the MINIMUM SET of subclaims that:
- Exist in BOTH selected sets from Task 1 and Task 2
- Must appear in ALL three health-literacy labels
- Cannot be removed without altering the Gold Summary’s meaning

====================
Source Text:
{{SOURCE_TEXT}}
====================

Source Text Subclaims (ALL):
{{SOURCE_SUBCLAIMS_ALL}}
====================

Gold Summary:
{{GOLD_SUMMARY}}
====================

Gold Summary Subclaims (ALL):
{{GOLD_SUBCLAIMS_ALL}}
====================

OUTPUT FORMAT (STRICT — JSON ONLY):

{
  "key_gold_summary_subclaims": [
    {
      "gold_subclaim_id": "GS-3",
      "subclaim_text": "<exact text from provided list>"
    }
  ],

  "key_source_text_subclaims": [
    {
      "source_subclaim_id": "ST-12",
      "subclaim_text": "<exact text from provided list>"
    }
  ],

  "minimum_shared_key_subclaims": [
    {
      "gold_subclaim_id": "GS-3",
      "source_subclaim_id": "ST-12",
      "subclaim_text": "<exact text shared in meaning>",
      "required_for_all_labels": true
    }
  ]
}

Constraints:
- Output ONLY valid JSON
- Use ONLY provided subclaim IDs and texts
- Do NOT modify subclaim wording
- No explanations
- No markdown
- No commentary
- No duplication