code: def load_file(self, file_path):
          
          self._log.info('Loading file: ' + file_path)
          agentml = etree.parse(file_path)
  
          # Validate the file for proper AgentML syntax
          self._schema.assertValid(agentml)
  
          # Get our root element and parse all elements inside of it
          root = etree.parse(file_path).getroot()
          defaults = {}
  
          def parse_element(element):
              for child in element:
                  # Initialization
                  if child.tag == 'init':
                      Init(self, child, file_path)
  
                  # Set the group
                  if child.tag == 'group':
                      self._log.info('Setting Trigger group: {group}'.format(group=child.get('name')))
                      defaults['groups'] = {child.get('name')}  # TODO
                      parse_element(child)
                      del defaults['groups']
                      continue
  
                  # Set the topic
                  if child.tag == 'topic':
                      self._log.info('Setting Trigger topic: {topic}'.format(topic=child.get('name')))
                      defaults['topic'] = child.get('name')
                      parse_element(child)
                      del defaults['topic']
                      continue
  
                  # Set the emotion
                  if child.tag == 'emotion':
                      self._log.info('Setting Trigger emotion: {emotion}'.format(emotion=child.get('name')))
                      defaults['emotion'] = child.get('name')
                      parse_element(child)
                      del defaults['emotion']
                      continue
  
                  # Parse a standard Trigger element
                  if child.tag == 'trigger':
                      try:
                          self.add_trigger(Trigger(self, child, file_path, **defaults))
                      except AgentMLError:
                          self._log.warn('Skipping Trigger due to an error', exc_info=True)
  
          # Begin element iteration by parsing the root element
          parse_element(root)
docs: Load a single AgentML file
          :param file_path: Path to the file
          :type  file_path: str