prompt: Your task is to convert the following English description into an ASCII tree format.
  
  plugins is a origin directory that features 2 subdirectories: internal and jvm.
  At the main level, The 'internal' storage space is barren.
  At the top level, 'jvm' groups 1 subdirectory elements: internal.
  Within directory hierarchy 'jvm → internal', 'internal' has no folders inside.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  main
   +--java
   |   `--org
   |       `--gradle
   |           `--sample
   `--webapp
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "plugins\n +--internal\n `--jvm\n     `--internal", "description": "plugins is a origin directory that features 2 subdirectories: internal and jvm.\nAt the main level, The 'internal' storage space is barren.\nAt the top level, 'jvm' groups 1 subdirectory elements: internal.\nWithin directory hierarchy 'jvm \u2192 internal', 'internal' has no folders inside.\nBack to the top level.\n"}