code: def formatting_func_sentence_transformers_case_3_a(sample):
      labels = [
          annotation["value"]
          for annotation in sample["question-3"]
          if annotation["status"] == "submitted"
          and annotation["value"] is not None
      ]
      if labels:
          # Three cases for the tests: None, one tuple and yielding multiple tuples
          if labels[0] == "a":
              return None
          elif labels[0] == "b":
              return {"sentence": sample["text"], "label": 1}
          elif labels[0] == "c":
              return [
                  {"sentence": sample["text"], "label": 1},
                  {"sentence": sample["text"], "label": 2},
              ]
  
file_path: argilla/tests/integration/client/feedback/helpers.py
imports: from collections import Counter
  from typing import Any, Dict, Iterator
  from argilla.client.models import Framework
  from argilla.feedback import TrainingTask
label_desc: Use image node_id 10 for calling a global function with example usage: formatting_func_sentence_transformers_case_3_a(sample) and returns: None, dict, list