[
  {
    "sentence": "Yo _____ la respuesta a la pregunta.",
    "correct": "sé",
    "distractor": "conozco",
    "explanation": "Knowing a fact uses saber; yo form is sé (with accent).",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Tú _____ tocar la guitarra muy bien.",
    "correct": "sabes",
    "distractor": "conoces",
    "explanation": "Knowing how to do something is a skill — use saber.",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Yo _____ hablar tres idiomas.",
    "correct": "sé",
    "distractor": "se",
    "explanation": "Yo sé needs the accent; without it, 'se' is a reflexive pronoun.",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Nosotros _____ la verdad sobre eso.",
    "correct": "sabemos",
    "distractor": "conocemos",
    "explanation": "The truth is a fact — use saber.",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Ella _____ cocinar comida italiana.",
    "correct": "sabe",
    "distractor": "conoce",
    "explanation": "Cooking is a skill (how to do something) — use saber.",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Ellos _____ qué hora es.",
    "correct": "saben",
    "distractor": "conocen",
    "explanation": "Time is factual information — use saber.",
    "source_chapter": "23",
    "source_title": "The Verb Saber"
  },
  {
    "sentence": "Yo _____ a María desde la escuela.",
    "correct": "conozco",
    "distractor": "sé",
    "explanation": "Knowing a person uses conocer (with personal 'a'). Yo form is conozco.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  },
  {
    "sentence": "¿Tú _____ Madrid?",
    "correct": "conoces",
    "distractor": "sabes",
    "explanation": "Knowing a place uses conocer.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  },
  {
    "sentence": "Nosotros _____ esta canción.",
    "correct": "conocemos",
    "distractor": "sabemos",
    "explanation": "Being familiar with a thing uses conocer.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  },
  {
    "sentence": "Ellos _____ a mis padres.",
    "correct": "conocen",
    "distractor": "saben",
    "explanation": "Knowing people uses conocer with personal a.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  },
  {
    "sentence": "Ella _____ que tú vienes mañana.",
    "correct": "sabe",
    "distractor": "conoce",
    "explanation": "A fact (that you're coming) uses saber, not conocer.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  },
  {
    "sentence": "Yo _____ ese restaurante; está cerca.",
    "correct": "conozco",
    "distractor": "sé",
    "explanation": "Familiarity with a place uses conocer.",
    "source_chapter": "24",
    "source_title": "The Verb Conocer"
  }
]