code: def get_toy_binary_classification_dataset():
      return pd.DataFrame(
          data=[[23, "X"], [25, "Y"]], columns=["age", "target"]
      )
  
imports: import json
  import pandas
  import pytest
  from raiutils.cohort import ClassificationOutcomes, Cohort, CohortFilter, CohortFilterMethods, cohort_filter_json_converter
  from raiutils.exceptions import UserConfigValidationException
label_desc: Use image node_id 1 for calling a global function with example usage: get_toy_binary_classification_dataset() and returns: pd