[
  {
    "sentence": "El chico _____ inteligente.",
    "correct": "es",
    "distractor": "está",
    "explanation": "Intelligence is a permanent trait → ser.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "Nosotros _____ cansados.",
    "correct": "estamos",
    "distractor": "somos",
    "explanation": "Tiredness is a changing condition → estar.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "Estas clases son _____.",
    "correct": "fáciles",
    "distractor": "fácil",
    "explanation": "Plural noun (clases) requires plural adjective.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "La _____ hermosa.",
    "correct": "chica",
    "distractor": "chico",
    "explanation": "Hermosa is feminine, so the noun must also be feminine.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "El hombre _____ relajado.",
    "correct": "está",
    "distractor": "es",
    "explanation": "Being relaxed is a temporary state → estar.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "Yo soy _____ (f).",
    "correct": "alta",
    "distractor": "alto",
    "explanation": "Feminine subject takes -a ending.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  },
  {
    "sentence": "El chico _____ (correct word order).",
    "correct": "inteligente",
    "distractor": "inteligente chico",
    "explanation": "Adjective follows the noun: el chico inteligente.",
    "source_chapter": "08",
    "source_title": "Descriptive Adjectives"
  }
]