prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  docs
   +--dsl
   |   +--docbook
   |   |   `--model
   |   +--links
   |   `--source
   |       `--model
   `--model
  ```
  
  Convert this description:
  
  app is a fundamental directory that houses 3 subdirectories: components, pages and public.
  At the top level, The 'components' directory has been left empty.
  At the top level, 'pages' encompasses 1 contained folders: api.
  Within directory hierarchy 'pages / api', 'api' has no folders inside.
  At the main level, The 'public' compartment has nothing inside.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "app\n +--components\n +--pages\n |   `--api\n `--public", "description": "app is a fundamental directory that houses 3 subdirectories: components, pages and public.\nAt the top level, The 'components' directory has been left empty.\nAt the top level, 'pages' encompasses 1 contained folders: api.\nWithin directory hierarchy 'pages / api', 'api' has no folders inside.\nAt the main level, The 'public' compartment has nothing inside.\n"}