prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  docs
   +--customization
   +--development
   +--images
   +--samples
   |   `--webpack-getting-started
   |       `--src
   `--usage
  ```
  
  Convert this description:
  
  route-index is a core directory that groups 2 subdirectories: pages and test.
  At the main level, 'pages' hosts 1 subdirectory elements: index.
  In nested path 'pages / index', 'index' is currently empty.
  Back to the top level.
  In the root directory, Inside 'test', you'll find it has yet to be populated.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "route-index\n +--pages\n |   `--index\n `--test", "description": "route-index is a core directory that groups 2 subdirectories: pages and test.\nAt the main level, 'pages' hosts 1 subdirectory elements: index.\nIn nested path 'pages / index', 'index' is currently empty.\nBack to the top level.\nIn the root directory, Inside 'test', you'll find it has yet to be populated.\n"}