Question: what does the marine slogan semper fi mean
[{'answer': 'always faithful', 'provenance': [{'wikipedia_id': '378053', 'title': 'Semper fidelis', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'always loyal', 'provenance': [{'wikipedia_id': '378053', 'title': 'Semper fidelis', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 81, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '378053', 'title': 'Semper fidelis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 250, 'bleu_score': 0.9245478540999721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11651051591838666090}, 'section': 'Section::::Abstract.'}]}]