code: def relu_inference_rule(n: Node, module_instance):
      """
      Input and output shapes should be equal.
      """
      assert isinstance(n.args[0], Node)
  
      if n.args[0].type == Dyn and isinstance(n.type, TensorType):
          n.args[0].type = expand_to_tensor_dim(
              n.args[0].type, len(n.type.__args__)
          )
  
      if isinstance(n.args[0].type, TensorType):
          n.type = get_greatest_upper_bound(n.args[0].type, n.type)
      return n.type
  
imports: from functools import reduce
  import torch
  import operator
  from torch.fx.tensor_type import Dyn, is_consistent, TensorType, is_more_precise
  from typing import Callable, Dict
  from torch.fx.node import Target, Node
  from torch.nn.modules.batchnorm import BatchNorm2d
  from torch.nn.modules.conv import Conv2d
  from torch.fx.experimental.refinement_types import Equality
  import itertools
  from torch.fx.experimental.unification import Var
  import sympy
label_desc: Use image node_id 14 for calling a global function with example usage: relu_inference_rule(n, module_instance) and returns: n