code: def make_features(context, frmat='table', str_maximal=False):
      
      config = Config.create(context=context, format=frmat, str_maximal=str_maximal)
      return FeatureSystem(config)
docs: Return a new feature system from context string in the given format.
  
      Args:
          context (str): Formal context table as plain-text string.
          frmat: Format of the context string (``'table'``, ``'cxt'``, ``'csv'``).
          str_maximal (bool):
  
      Example:
          >>> make_features('''
          ...      |+male|-male|+adult|-adult|
          ... man  |  X  |     |   X  |      |
          ... woman|     |  X  |   X  |      |
          ... boy  |  X  |     |      |   X  |
          ... girl |     |  X  |      |   X  |
          ... ''')  # doctest: +ELLIPSIS
          <FeatureSystem object of 4 atoms 10 featuresets at 0x...>