code: def select_evaluator(name):
      if name == "sequential":
          return Sequential
      elif name == "random":
          return RandomBatch
      elif name == "local_penalization":
          return LocalPenalization
      elif name == "thompson_sampling":
          return ThompsonBatch
      else:
          raise Exception("Invalid acquisition evaluator selected.")
  
imports: from .base import EvaluatorBase
  from .sequential import Sequential
  from .batch_random import RandomBatch
  from .batch_local_penalization import LocalPenalization
  from .batch_thompson import ThompsonBatch
label_desc: Use image node_id 1 for calling a global function with example usage: select_evaluator(name) and returns: Sequential, RandomBatch, LocalPenalization, ThompsonBatch