{
  "instructions": [
    {
      "id": 1,
      "operation_scope": "local",
      "operation": "change_texture",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Change the sink's texture to matte black, ensuring the material appears non-reflective and uniformly dark across its surface.",
      "rationale_cn": "sink 是唯一主体，颜色变化明确，可观察。",
      "semantic_group": 1,
      "variant_id": 1
    },
    {
      "id": 2,
      "operation_scope": "local",
      "operation": "change_texture",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Change the sink's texture to dark gray, ensuring the visual result matches the specified color.",
      "rationale_cn": "sink 是唯一主体，颜色变化明确，可观察。",
      "semantic_group": 1,
      "variant_id": 2
    },
    {
      "id": 3,
      "operation_scope": "local",
      "operation": "change_texture",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Change the sink's texture to charcoal gray, ensuring the color matches the specified shade and covers the entire surface.",
      "rationale_cn": "sink 是唯一主体，颜色变化明确，可观察。",
      "semantic_group": 1,
      "variant_id": 3
    },
    {
      "id": 4,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Replace the sink material with brushed metal, ensuring the visual texture matches a metallic finish.",
      "rationale_cn": "sink 是唯一主体，材质变化明确，可观察。",
      "semantic_group": 2,
      "variant_id": 1
    },
    {
      "id": 5,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Replace the sink material with stainless steel.",
      "rationale_cn": "sink 是唯一主体，材质变化明确，可观察。",
      "semantic_group": 2,
      "variant_id": 2
    },
    {
      "id": 6,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Replace the sink material with polished chrome, ensuring the surface reflects light with a metallic sheen.",
      "rationale_cn": "sink 是唯一主体，材质变化明确，可观察。",
      "semantic_group": 2,
      "variant_id": 3
    },
    {
      "id": 7,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Change the sink surface to a rough texture, ensuring the material appears visibly coarse and non-reflective.",
      "rationale_cn": "sink 是唯一主体，纹理变化明确，可观察。",
      "semantic_group": 3,
      "variant_id": 1
    },
    {
      "id": 8,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Apply a matte texture to the sink surface, ensuring the material change is visible and covers the entire sink.",
      "rationale_cn": "sink 是唯一主体，纹理变化明确，可观察。",
      "semantic_group": 3,
      "variant_id": 2
    },
    {
      "id": 9,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_001; name=sink; cues=white oval sink|ceramic sink; temporal_presence=1.00; center_proximity=0.85",
      "instruction": "Apply a pebbled texture to the white oval ceramic sink visible at 1.00 seconds, ensuring the material change is only applied to the sink object.",
      "rationale_cn": "sink 是唯一主体，纹理变化明确，可观察。",
      "semantic_group": 3,
      "variant_id": 3
    },
    {
      "id": 10,
      "operation_scope": "global",
      "operation": "style_change",
      "target": "scene_region=<global>; theme=<overall style and atmosphere>",
      "instruction": "Restyle the entire scene with a noir film aesthetic: deeper blacks, soft grain, and restrained highlights.",
      "rationale_cn": "全局色调调整，无具体对象指代，符合要求。",
      "semantic_group": 4,
      "variant_id": 1
    },
    {
      "id": 11,
      "operation_scope": "global",
      "operation": "style_change",
      "target": "scene_region=<global>; theme=<overall style and atmosphere>",
      "instruction": "Apply an anamorphic movie style with mild bloom, cinematic contrast, and realistic color coherence.",
      "rationale_cn": "全局色调调整，无具体对象指代，符合要求。",
      "semantic_group": 4,
      "variant_id": 2
    },
    {
      "id": 12,
      "operation_scope": "global",
      "operation": "style_change",
      "target": "scene_region=<global>; theme=<overall style and atmosphere>",
      "instruction": "Change the full scene to a documentary style with natural texture, low contrast, and neutral color rendering.",
      "rationale_cn": "全局色调调整，无具体对象指代，符合要求。",
      "semantic_group": 4,
      "variant_id": 3
    }
  ]
}