Question: what is the meaning of primus inter pares
[{'answer': 'first among equals', 'provenance': [{'wikipedia_id': '429857', 'title': 'Primus inter pares', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '429857', 'title': 'Primus inter pares', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1333, 'bleu_score': 0.883305878235872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 751036814325183036}, 'section': 'Section::::Abstract.'}]}]