{
  "schema_version": "experimental-negative-act-form-gold-v0",
  "cases": [
    {
      "case_id": "NA-01", "description": "Explicit non-pursuit",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Mit Dr. Schlummer arbeiten wir nicht weiter.", "speaker": "Martin", "named_person": "Dr. Schlummer", "addressee": null}
      ],
      "expected": {"observation_id": "obs_1", "negative_act_form": "explicit_non_pursuit", "action_concepts": [["schlummer"], ["arbeit", "collabor"], ["weiter", "fortsetz", "continu"]]}
    },
    {
      "case_id": "NA-02", "description": "Explicit non-pursuit paraphrase",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Die externe Lösung verfolgen wir nicht weiter.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_1", "negative_act_form": "explicit_non_pursuit", "action_concepts": [["extern"], ["lösung", "solution"], ["weiter", "pursu", "continu"]]}
    },
    {
      "case_id": "NA-03", "description": "Personal preference with local context",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Wir könnten die reale Anlage für den Versuch nutzen.", "speaker": "Martin", "named_person": null, "addressee": null},
        {"observation_id": "obs_2", "evidence_id": "e2", "content": "Martin: Ich würde das nicht machen.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_2", "negative_act_form": "personal_preference", "action_concepts": [["real"], ["anlage", "plant"], ["versuch", "trial", "test"]]}
    },
    {
      "case_id": "NA-04", "description": "Negative recommendation",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Wir könnten die reale Anlage verwenden.", "speaker": "Martin", "named_person": null, "addressee": null},
        {"observation_id": "obs_2", "evidence_id": "e2", "content": "Martin: Ich würde eher davon abraten.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_2", "negative_act_form": "recommendation", "action_concepts": [["real"], ["anlage", "plant"], ["verwend", "use"]]}
    },
    {
      "case_id": "NA-05", "description": "Temporary non-action",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Wir könnten die Waschstufe einbauen.", "speaker": "Martin", "named_person": null, "addressee": null},
        {"observation_id": "obs_2", "evidence_id": "e2", "content": "Martin: Das machen wir erstmal noch nicht.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_2", "negative_act_form": "temporary_non_action", "action_concepts": [["waschstufe", "washing stage"], ["einbau", "install"]]}
    },
    {
      "case_id": "NA-06", "description": "Concern only",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Wir könnten das neue Material einsetzen.", "speaker": "Martin", "named_person": null, "addressee": null},
        {"observation_id": "obs_2", "evidence_id": "e2", "content": "Martin: Das wäre kritisch.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_2", "negative_act_form": "none", "action_concepts": []}
    },
    {
      "case_id": "NA-07", "description": "Uncertainty",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Eine Möglichkeit wäre, die Waschstufe einzubauen.", "speaker": "Martin", "named_person": null, "addressee": null},
        {"observation_id": "obs_2", "evidence_id": "e2", "content": "Martin: Ich weiß nicht, ob das sinnvoll ist.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_2", "negative_act_form": "none", "action_concepts": []}
    },
    {
      "case_id": "NA-08", "description": "Factual negation",
      "observations": [
        {"observation_id": "obs_1", "evidence_id": "e1", "content": "Martin: Das Material ist nicht verfügbar.", "speaker": "Martin", "named_person": null, "addressee": null}
      ],
      "expected": {"observation_id": "obs_1", "negative_act_form": "none", "action_concepts": []}
    }
  ]
}