Question: who coined the term posdcorb to describe the functions of management
[{'answer': 'Luther Gulick', 'provenance': [{'wikipedia_id': '25057924', 'title': 'POSDCORB', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 206, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25057924', 'title': 'POSDCORB', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 527, 'bleu_score': 0.9437815816129681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 742119261287838893}, 'section': 'Section::::Abstract.'}]}]