{
  "instructions": [
    {
      "id": 1,
      "operation_scope": "local",
      "operation": "remove",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Remove the sky with sunset gradient and orange glow, replacing it with a deep purple and blue gradient.",
      "rationale_cn": "sky is clearly visible and stable, with strong color cues; changing dominant colors is a precise local edit.",
      "semantic_group": 1,
      "variant_id": 1
    },
    {
      "id": 2,
      "operation_scope": "local",
      "operation": "remove",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Erase the sky cleanly and inpaint the region to match nearby context.",
      "rationale_cn": "sky is the primary object with consistent visual features; color replacement is safe and unambiguous.",
      "semantic_group": 1,
      "variant_id": 2
    },
    {
      "id": 3,
      "operation_scope": "local",
      "operation": "remove",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Remove the sky with sunset gradient and orange-glowing clouds from the video entirely.",
      "rationale_cn": "sky is fully visible and centrally located; color shift is clearly observable and non-ambiguous.",
      "semantic_group": 1,
      "variant_id": 3
    },
    {
      "id": 4,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Replace the sky with a soft, glowing silk fabric texture matching the sunset gradient and orange cloud glow.",
      "rationale_cn": "sky has soft texture cues; material change to fabric is a plausible and visually distinct edit.",
      "semantic_group": 2,
      "variant_id": 1
    },
    {
      "id": 5,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Replace the sky's material with a smooth, luminous satin texture, ensuring the sunset gradient and orange glow remain visible.",
      "rationale_cn": "sky's gradient and glow suggest luminous material; satin is a clear, observable texture change.",
      "semantic_group": 2,
      "variant_id": 2
    },
    {
      "id": 6,
      "operation_scope": "local",
      "operation": "replace",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Replace the sky with a velvety, glowing material finish matching the sunset gradient and orange cloud glow.",
      "rationale_cn": "sky has soft, glowing appearance; velvety material is a distinct and verifiable texture change.",
      "semantic_group": 2,
      "variant_id": 3
    },
    {
      "id": 7,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Change the material of the sky to brushed metal while keeping geometry unchanged.",
      "rationale_cn": "sky is clearly visible and stable; starry texture is a distinct and observable change.",
      "semantic_group": 3,
      "variant_id": 1
    },
    {
      "id": 8,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Transform the sky material into matte stone with realistic surface response.",
      "rationale_cn": "sky has cloud and gradient features; nebula texture is a clear and visually distinct edit.",
      "semantic_group": 3,
      "variant_id": 2
    },
    {
      "id": 9,
      "operation_scope": "local",
      "operation": "change_material",
      "target": "object_id=obj_004; name=sky; cues=sunset gradient|cloud with orange glow; temporal_presence=1.00; center_proximity=0.90",
      "instruction": "Change the sky's material to a smooth, painted watercolor gradient with orange glow and sunset hues.",
      "rationale_cn": "sky has gradient and soft texture; watercolor is a clear, observable texture transformation.",
      "semantic_group": 3,
      "variant_id": 3
    }
  ]
}