code: def process_what_to_run_concepts(pairs_to_test):
      """Process concepts and pairs to test.
  
      Args:
        pairs_to_test: a list of concepts to be tested and a target (e.g,
         [ ("target1",  ["concept1", "concept2", "concept3"]),...])
  
      Returns:
        return pairs to test:
           target1, concept1
           target1, concept2
           ...
           target2, concept1
           target2, concept2
           ...
  
      """
  
      pairs_for_sstesting = []
      # prepare pairs for concpet vs random.
      for pair in pairs_to_test:
          for concept in pair[1]:
              pairs_for_sstesting.append([pair[0], [concept]])
      return pairs_for_sstesting
  
file_path: tcav/tcav/utils.py
imports: from scipy.stats import ttest_ind
  import numpy
  import tensorflow
  from tcav.tcav_results.results_pb2 import Result, Results
label_desc: Use image node_id 4 for calling a global function with example usage: process_what_to_run_concepts(pairs_to_test) and returns: pairs_for_sstesting