prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  pre-compiled-headers
   +--groovy
   |   `--src
   |       +--hello
   |       |   +--cpp
   |       |   `--headers
   |       `--main
   |           `--cpp
   `--tests
  ```
  
  Convert this description:
  
  project-a is a parent directory that encompasses 2 subdirectories: __generated__ and pages.
  In the root directory, The '__generated__' storage space is blank.
  At the top level, 'pages' organizes 1 directories: api.
  In nested path 'pages > api', 'api' hasn't been filled with any content.
  Back to the top level.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "project-a\n +--__generated__\n `--pages\n     `--api", "description": "project-a is a parent directory that encompasses 2 subdirectories: __generated__ and pages.\nIn the root directory, The '__generated__' storage space is blank.\nAt the top level, 'pages' organizes 1 directories: api.\nIn nested path 'pages > api', 'api' hasn't been filled with any content.\nBack to the top level.\n"}