Question: who do you play as in assassins creed 4
[{'answer': 'an Abstergo agent', 'provenance': [{'wikipedia_id': '38666874', 'title': "Assassin's Creed IV: Black Flag", 'start_paragraph_id': 2, 'start_character': 283, 'end_paragraph_id': 2, 'end_character': 300, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38666874', 'title': "Assassin's Creed IV: Black Flag", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 724, 'bleu_score': 0.946363164947644, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1099628113878587418}, 'section': 'Section::::Abstract.'}]}]