{
  "original_question": "What regularization techniques does the Transformer paper use, and where do they show the impact on BLEU?",
  "keywords": ["regularization", "dropout", "label smoothing", "BLEU"],
  "intent": "listing",
  "retrieval": {
    "main_query": "regularization techniques and their impact on BLEU",
    "rewrites": ["Residual Dropout", "Attention Dropout", "Label Smoothing", "Pdrop", "label smoothing epsilon", "Table 3"],
    "anchor_keywords": ["regularization", "dropout", "label smoothing", "Table 3"],
    "section_hint": "5.4",
    "layout_hint": "table"
  }
}