prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  gradle
   +--api
   |   `--plugins
   |       `--catalog
   |           `--internal
   `--catalog
  ```
  
  Convert this description:
  
  idea is a core directory that assembles 2 subdirectories: internal and model.
  At the main level, Inside 'internal', you'll find it is unpopulated.
  In the root directory, 'model' has 1 directory entries: internal.
  Within directory hierarchy 'model → internal', 'internal' appears to be unused.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "idea\n +--internal\n `--model\n     `--internal", "description": "idea is a core directory that assembles 2 subdirectories: internal and model.\nAt the main level, Inside 'internal', you'll find it is unpopulated.\nIn the root directory, 'model' has 1 directory entries: internal.\nWithin directory hierarchy 'model \u2192 internal', 'internal' appears to be unused.\n"}