{
  'Automotive': {
    'AutoRecalls': {
      None: None
    },
    'AutoSafety': {
      None: None
    },
    'AutoTechnology': {
      'AutoSafetyTechnologies': {
        None: None
      }
    },
    'AutoType': {
      'DriverlessCars': {
        None: None
      }
    }
  },
  'BusinessAndFinance': {
    'Business': {
      'BusinessAdministration': {
        None: None
      }
    },
    'Industries': {
      'TelecommunicationsIndustry': {
        None: None
      }
    }
  },
  'Education': {
    'CollegeEducation': {
      'PostgraduateEducation': {
        None: None
      },
      'UndergraduateEducation': {
        None: None
      }
    }
  },
  'HealthyLiving': {
    'FitnessAndExercise': {
      'ParticipantSports': {
        None: None
      }
    }
  },
  'MedicalHealth': {
    'CosmeticMedicalServices': {
      None: None
    },
    'DiseasesAndConditions': {
      'BoneAndJointConditions': {
        None: None
      },
      'Ear,NoseAndThroatConditions': {
        None: None
      },
      'Injuries': {
        None: None
      }
    },
    'Surgery': {
      None: None
    }
  },
  'NewsAndPolitics': {
    'Politics': {
      None: None
    }
  },
  'Sports': {
    'Basketball': {
      None: None
    },
    'Boxing': {
      None: None
    },
    'CollegeSports': {
      None: None,
      'CollegeBasketball': {
        None: None
      }
    }
  },
  'Technology&Computing': {
    'ConsumerElectronics': {
      'Smartphones': {
        None: None
      }
    }
  }
}