code: def evaluate(self, batch, **kwargs):
      if self.get_children_count() == 2:
          left_batch = self.get_child(0).evaluate(batch, **kwargs)
          if self.etype == ExpressionType.LOGICAL_AND:
              if left_batch.all_false():  # check if all are false
                  return left_batch
              mask = left_batch.create_mask()
          elif self.etype == ExpressionType.LOGICAL_OR:
              if left_batch.all_true():  # check if all are true
                  return left_batch
              mask = left_batch.create_inverted_mask()
  
          # When some rows are filtered, the push down batch indices need to
          # be reset as well.
          pushdown_batch = batch[mask]
          pushdown_batch.reset_index()
  
          right_batch = self.get_child(1).evaluate(
              pushdown_batch, **kwargs
          )
          left_batch.update_indices(mask, right_batch)
  
          return left_batch
      else:
          batch = self.get_child(0).evaluate(batch, **kwargs)
          if self.etype == ExpressionType.LOGICAL_NOT:
              batch.invert()
              return batch
  
file_path: evadb/evadb/expression/logical_expression.py
imports: from evadb.expression.abstract_expression import AbstractExpression, ExpressionReturnType, ExpressionType
label_desc: Use image node_id 2 for calling the LogicalExpression obj's underlying member method code with example usage: obj.evaluate(batch) and returns: left_batch, batch, left_batch, left_batch