code: def __call__(self, perturbed: T, outputs: T) -> T:
      args, restore_type = ep.astensors_(perturbed, outputs)
      a = self.a(*args)
      b = self.b(*args)
      is_adv = ep.logical_and(a, b)
      return restore_type(is_adv)
  
imports: from typing import TypeVar, Any
  from abc import ABC, abstractmethod
  import eagerpy
label_desc: Use image node_id 3 for calling the _And obj's underlying member method code with example usage: obj.__call__(perturbed, outputs) and returns: restore_type