class_docstr: Consider implementing a first strategy for active learning
code: def __call__(self, request, datastore: Datastore):
      images = datastore.get_unlabeled_images()
      if not len(images):
          return None
  
      images.sort()
      image = images[-1]
  
      logger.info(f"First: Selected Image: {image}")
      return {"id": image}
  
imports: import logging
  from monailabel.interfaces.datastore import Datastore
  from monailabel.interfaces.tasks.strategy import Strategy
label_desc: Use image node_id 2 for calling the Last obj's underlying member method code with example usage: obj.__call__(request, datastore) and returns: dict, None