[
  {
    "id": "TALK_FRIEND_CONVERSATION",
    "type": "talk_topic",
    "responses": [
      {
        "text": "<BGSS_intro_question>",
        "topic": "BGSS_LONEVAMP_S1",
        "condition": { "npc_has_trait": "lonevamp_s1" },
        "switch": true
      }
    ]
  }
]