prompt: Your task is to convert the following English description into an ASCII tree format.
  
  main is a source directory that groups 2 subdirectories: java and webapp.
  In the root directory, 'java' groups 1 contained folders: org.
  In nested path 'java > org', 'org' shelters 1 contained folders: gradle.
  At level 3, in directory path 'java / org / gradle', 'gradle' encapsulates 1 subdirectory elements: sample.
  Within directory hierarchy 'java > org > gradle > sample', 'sample' contains no subdirectories.
  At the top level, The 'webapp' folder has been left empty.
  
  
  Format your response in this style:
  ```
  packages
   +--pkg-a
   |   `--src
   +--pkg-b
   |   `--src
   `--shared
       `--src
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "main\n +--java\n |   `--org\n |       `--gradle\n |           `--sample\n `--webapp", "description": "main is a source directory that groups 2 subdirectories: java and webapp.\nIn the root directory, 'java' groups 1 contained folders: org.\nIn nested path 'java > org', 'org' shelters 1 contained folders: gradle.\nAt level 3, in directory path 'java / org / gradle', 'gradle' encapsulates 1 subdirectory elements: sample.\nWithin directory hierarchy 'java > org > gradle > sample', 'sample' contains no subdirectories.\nAt the top level, The 'webapp' folder has been left empty.\n"}