prompt: Your task is to convert the following English description into an ASCII tree format.
  
  app is a master directory that groups 2 subdirectories: app-another and app-blog.
  At the main level, 'app-another' is blank.
  At the top level, 'app-blog' contains 1 directory entries: [...slug].
  At level 2, in directory path 'app-blog / [...slug]', Inside '[...slug]', you'll find it remains unused.
  
  
  Format your response in this style:
  ```
  [lang]
   +--@modal
   |   +--(.)feed
   |   `--(.)photos
   |       `--[id]
   +--feed
   `--photos
       `--[id]
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "app\n +--app-another\n `--app-blog\n     `--[...slug]", "description": "app is a master directory that groups 2 subdirectories: app-another and app-blog.\nAt the main level, 'app-another' is blank.\nAt the top level, 'app-blog' contains 1 directory entries: [...slug].\nAt level 2, in directory path 'app-blog / [...slug]', Inside '[...slug]', you'll find it remains unused.\n"}