prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  node-fs-extra
   +--docs
   +--lib
   |   +--__tests__
   |   +--copy
   |   |   `--__tests__
   |   |       `--ncp
   |   |           `--fixtures
   |   |               +--modified-files
   |   |               |   +--out
   |   |               |   `--src
   |   |               `--regular-fixtures
  ```
  
  Convert this description:
  
  inputs is a base directory that includes 2 subdirectories: process and undeclared.
  At the top level, 'process' hosts 1 subdirectory elements: instrument.
  Within directory hierarchy 'process → instrument', 'instrument' stands empty.
  At the top level, 'undeclared' contains no subdirectories.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "inputs\n +--process\n |   `--instrument\n `--undeclared", "description": "inputs is a base directory that includes 2 subdirectories: process and undeclared.\nAt the top level, 'process' hosts 1 subdirectory elements: instrument.\nWithin directory hierarchy 'process \u2192 instrument', 'instrument' stands empty.\nAt the top level, 'undeclared' contains no subdirectories.\n"}