Question: who did the brown berets model themselves afterwards
[{'answer': 'unity and resistance against discrimination', 'provenance': [{'wikipedia_id': '2322822', 'title': 'Brown Berets', 'start_paragraph_id': 4, 'start_character': 332, 'end_paragraph_id': 4, 'end_character': 375, 'bleu_score': 1.0, 'section': 'Section::::Predecessors.\n'}]}, {'provenance': [{'wikipedia_id': '2322822', 'title': 'Brown Berets', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 798, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9380091836938559663}, 'section': 'Section::::Predecessors.\n'}]}]