prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  tests
   +--helpers
   |   `--browser
   +--regression
   |   `--libs
   +--test262
   |   `--test262
   `--unit
       `--fixtures
  ```
  
  Convert this description:
  
  app is a main directory that features 2 subdirectories: blog and utils.
  At the top level, 'blog' hosts 1 child directories: [slug].
  At level 2, in directory path 'blog / [slug]', Inside '[slug]', you'll find it is an empty container.
  Back to the top level.
  At the top level, Inside 'utils', you'll find it remains unused.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "app\n +--blog\n |   `--[slug]\n `--utils", "description": "app is a main directory that features 2 subdirectories: blog and utils.\nAt the top level, 'blog' hosts 1 child directories: [slug].\nAt level 2, in directory path 'blog / [slug]', Inside '[slug]', you'll find it is an empty container.\nBack to the top level.\nAt the top level, Inside 'utils', you'll find it remains unused.\n"}