[
  {
    "id": "attn_001",
    "text": "This is a quality check item. Please select 'Positive' to confirm you are reading the text carefully.",
    "expected_answer": {
      "sentiment": "positive"
    }
  },
  {
    "id": "attn_002",
    "text": "Attention check: The correct answer for this item is 'Negative'. Please select it now to continue.",
    "expected_answer": {
      "sentiment": "negative"
    }
  },
  {
    "id": "attn_003",
    "text": "Reading check: This item requires you to select 'Neutral' as your response. Thank you for your careful attention.",
    "expected_answer": {
      "sentiment": "neutral"
    }
  },
  {
    "id": "attn_004",
    "text": "I am incredibly happy and thrilled with this amazing product! [QUALITY CHECK: Select 'Positive']",
    "expected_answer": {
      "sentiment": "positive"
    }
  },
  {
    "id": "attn_005",
    "text": "This is absolutely terrible and the worst thing ever. [QUALITY CHECK: Select 'Negative']",
    "expected_answer": {
      "sentiment": "negative"
    }
  }
]