text: import abc
  
  class Decision(object):
      __metaclass__ = abc.ABCMeta
  
      def __init__(self, next_node=None, lucida_response=''):
          self.next_node = next_node
          self.lucdia_repsonse = lucida_response
  
      @abc.abstractmethod
      def logic_method(self, response_data, service_graph, dcm_node):
          """Decision making logic"""
          return
  