prompt: Your task is to convert the following English description into an ASCII tree format.
  
  src is a primary directory that incorporates 2 subdirectories: chunk and references.
  In the root directory, 'chunk' stores 1 contained folders: single_item_chunk.
  In nested path 'chunk → single_item_chunk', The 'single_item_chunk' section contains no subdirectories.
  Back to the top level.
  At the top level, The 'references' section contains no subdirectories.
  
  
  Format your response in this style:
  ```
  gradle
   +--api
   +--internal
   `--util
       `--internal
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "src\n +--chunk\n |   `--single_item_chunk\n `--references", "description": "src is a primary directory that incorporates 2 subdirectories: chunk and references.\nIn the root directory, 'chunk' stores 1 contained folders: single_item_chunk.\nIn nested path 'chunk \u2192 single_item_chunk', The 'single_item_chunk' section contains no subdirectories.\nBack to the top level.\nAt the top level, The 'references' section contains no subdirectories.\n"}