code: def reset(self):
      self.pos = self.start
      (
          self.weighted_n_left,
          self.weighted_n_right,
          self.sum_left,
          self.sum_right,
      ) = _move_sums_classification(
          self,
          self.sum_left,
          self.sum_right,
          self.weighted_n_left,
          self.weighted_n_right,
          self.missing_go_to_left,
      )
      return 0
  
imports: from abc import ABC, abstractmethod
  import ivy
label_desc: Use image node_id 6 for calling the ClassificationCriterion obj's underlying member method code with example usage: obj.reset() and returns: int