[
  {
    "sentence": "Caminé _____ el parque ayer.",
    "correct": "por",
    "distractor": "para",
    "explanation": "Movement through a place uses por.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Este regalo es _____ ti.",
    "correct": "para",
    "distractor": "por",
    "explanation": "Recipient uses para.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Estudio mucho _____ aprobar el examen.",
    "correct": "para",
    "distractor": "por",
    "explanation": "Purpose / in order to uses para.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Llegué tarde _____ el tráfico.",
    "correct": "por",
    "distractor": "para",
    "explanation": "Reason / because of uses por.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Trabajé _____ ocho horas.",
    "correct": "por",
    "distractor": "para",
    "explanation": "Duration uses por.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Necesito el informe _____ el lunes.",
    "correct": "para",
    "distractor": "por",
    "explanation": "Deadline uses para.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Pagué cien dólares _____ esta camisa.",
    "correct": "por",
    "distractor": "para",
    "explanation": "Exchange uses por.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "_____ mí, el español es fácil.",
    "correct": "Para",
    "distractor": "Por",
    "explanation": "Personal opinion uses para.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Mi hermana trabaja _____ Google.",
    "correct": "para",
    "distractor": "por",
    "explanation": "Employer uses para.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  },
  {
    "sentence": "Conducimos a 100 km _____ hora.",
    "correct": "por",
    "distractor": "para",
    "explanation": "Per / rate uses por.",
    "source_chapter": "33",
    "source_title": "Por & Para"
  }
]