prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  kotlin
   +--my-sub-project
   `--src
       +--main
       |   `--java
       `--test
           `--java
  ```
  
  Convert this description:
  
  pages is a origin directory that incorporates 3 subdirectories: nav, nested and prefered.
  At the main level, 'nav' groups 1 subfolders: products.
  Within directory hierarchy 'nav / products', The 'products' collection has no folders inside.
  At the main level, The 'nested' container is barren.
  In the root directory, Inside 'prefered', you'll find it contains nothing at present.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "pages\n +--nav\n |   `--products\n +--nested\n `--prefered", "description": "pages is a origin directory that incorporates 3 subdirectories: nav, nested and prefered.\nAt the main level, 'nav' groups 1 subfolders: products.\nWithin directory hierarchy 'nav / products', The 'products' collection has no folders inside.\nAt the main level, The 'nested' container is barren.\nIn the root directory, Inside 'prefered', you'll find it contains nothing at present.\n"}