prompt: Your task is to convert the following English description into an ASCII tree format.
  
  evaluation is a head directory that features 2 subdirectories: metrics and src.
  At the top level, Inside 'metrics', you'll find it contains no subdirectories.
  At the main level, The 'src' directory shelters 3 folders for code organization.
  At level 2, in directory path 'src / memzero', 'memzero' has no content.
  At level 2, in directory path 'src / openai', 'openai' is an empty container.
  At level 2, in directory path 'src / zep', 'zep' sits empty.
  
  
  Format your response in this style:
  ```
  contrib
   +--admin
   |   `--_images
   +--gis
   |   `--install
   `--postgres
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "evaluation\n +--metrics\n `--src\n     +--memzero\n     +--openai\n     `--zep", "description": "evaluation is a head directory that features 2 subdirectories: metrics and src.\nAt the top level, Inside 'metrics', you'll find it contains no subdirectories.\nAt the main level, The 'src' directory shelters 3 folders for code organization.\nAt level 2, in directory path 'src / memzero', 'memzero' has no content.\nAt level 2, in directory path 'src / openai', 'openai' is an empty container.\nAt level 2, in directory path 'src / zep', 'zep' sits empty.\n"}