High-Quality SFT Data Structure Design for Fine-tuning

{
 "messages":[
  {"role":"user","content":"What is XAI?"},
  {"role":"assistant","content":"XAI is the process..."}
 ]
}

{
 "messages":[
  {
   "role":"system",
   "content":"You are a professional biology teacher."
  },
  {
   "role":"user",
   "content":"Explain photosynthesis"
  },
  {
   "role":"assistant",
   "content":"Photosynthesis is..."
  }
 ]
}

{
 "messages":[
  {"role":"user","content":"If I have 20 apples and give away 7, how many remain?"},
  {"role":"assistant","content":
   "Let's think step by step.\n
    1. Start with 20 apples\n
    2. Give away 7 apples\n
    3. 20 - 7 = 13\n
    Therefore, 13 apples remain."
  }
 ]
}

{
 "messages":[
  {"role":"system","content":"You are a math tutor."},
  {"role":"user","content":"What is 12 * 8?"},
  {"role":"assistant","content":"12 × 8 = 96."},
  {"role":"user","content":"What about 96 ÷ 3?"},
  {"role":"assistant","content":"96 ÷ 3 = 32."}
 ]
}

{
 "messages":[
  {"role":"user","content":"What's the weather in Tokyo?"},
  {
   "role":"assistant",
   "content":"I will check the weather API.",
   "tool_call":{
      "name":"get_weather",
      "arguments":{"city":"Tokyo"}
   }
  },
  {
   "role":"tool",
   "content":"Temperature: 20°C"
  },
  {
   "role":"assistant",
   "content":"The temperature in Tokyo is 20°C."
  }
 ]
}

{
 "messages":[
  {
   "role":"system",
   "content":"Use the provided context to answer."
  },
  {
   "role":"user",
   "content":"Context: Tokyo is the capital of Japan.\nQuestion: What is the capital of Japan?"
  },
  {
   "role":"assistant",
   "content":"The capital of Japan is Tokyo."
  }
 ]
}

{
 "messages":[
  {"role":"system","content":"You are a helpful AI."},

  {"role":"user","content":"Calculate 25 * 14"},

  {"role":"assistant","content":
  "Let's solve step by step.\n
   25 × 14 = (25 × 10) + (25 × 4)\n
   = 250 + 100\n
   = 350\n
   Therefore the answer is 350."
  }
 ]
}