{
  "answer_text": "Top picks: BrandB is great. BrandA is also good. CompA is mentioned later.",
  "entities": [
    { "entity_name": "BrandA", "entity_type": "main", "competitor_name": "CompA" },
    { "entity_name": "CompA", "entity_type": "competitor" },
    { "entity_name": "BrandB", "entity_type": "main", "competitor_name": "CompB" },
    { "entity_name": "CompB", "entity_type": "competitor" }
  ]
}