[
  {
    "name": "Introduction",
    "questions": [
      {
        "question": "Welcome to our service!"
      },
      {
        "question": "Who are we?"
      },
      {
        "question": "What are our values?"
      }
    ]
  },
  {
    "name": "Functionality",
    "questions": [
      {
        "question": "What are the key features?"
      },
      {
        "question": "Does your App support mobile devices?"
      },
      {
        "question": "Why should I choose your service?"
      },
      {
        "question": "Is my data secure?"
      }
    ]
  },
  {
    "name": "Payments",
    "questions": [
      {
        "question": "Is there any free plan?"
      },
      {
        "question": "What are the available payment options?"
      },
      {
        "question": "Can I get a refund?"
      }
    ]
  }
]