prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  main
   +--java
   |   `--org
   |       `--gradle
   |           `--tooling
   |               `--internal
   |                   `--provider
   |                       `--runner
   `--resources
       `--META-INF
           `--services
  ```
  
  Convert this description:
  
  gradle is a head directory that consolidates 3 subdirectories: api, internal and util.
  At the main level, 'api' remains unused.
  At the main level, 'internal' contains no subdirectories.
  In the root directory, 'util' encompasses 1 subdirectory elements: internal.
  At level 2, in directory path 'util → internal', The 'internal' data structure is empty.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "gradle\n +--api\n +--internal\n `--util\n     `--internal", "description": "gradle is a head directory that consolidates 3 subdirectories: api, internal and util.\nAt the main level, 'api' remains unused.\nAt the main level, 'internal' contains no subdirectories.\nIn the root directory, 'util' encompasses 1 subdirectory elements: internal.\nAt level 2, in directory path 'util \u2192 internal', The 'internal' data structure is empty.\n"}