code: def simulate_response(self, documents):
      responses = [self._response_model_ctor() for _ in documents]
      self.choice_model.score_documents(
          self._user_state,
          [doc.create_observation() for doc in documents],
      )
      selected_indices = self.choice_model.choose_items()
      for i, response in enumerate(responses):
          response.quality = documents[i].quality
          response.cluster_id = documents[i].cluster_id
      for selected_index in selected_indices:
          self._generate_click_response(
              documents[selected_index], responses[selected_index]
          )
      return responses
  
imports: import logging
  import gym
  import numpy
  import reagent.core.types
  from reagent.core.dataclasses import dataclass
  from reagent.gym.envs.env_wrapper import EnvWrapper
  from reagent.gym.envs.wrappers.recsim import ValueWrapper
  from reagent.gym.preprocessors.default_preprocessors import RecsimObsPreprocessor
  from recsim import choice_model, utils
  from recsim.environments import interest_evolution, interest_exploration
  from recsim.simulator import environment, recsim_gym
label_desc: Use image node_id 1 for calling the MulticlickIEvUserModel obj's underlying member method code with example usage: obj.simulate_response(documents) and returns: responses