Question: what are two main types of financial institutions
[{'answer': 'Depository institutions', 'provenance': [{'wikipedia_id': '208836', 'title': 'Financial institution', 'start_paragraph_id': 2, 'start_character': 13, 'end_paragraph_id': 2, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Contractual institutions', 'provenance': [{'wikipedia_id': '208836', 'title': 'Financial institution', 'start_paragraph_id': 3, 'start_character': 13, 'end_paragraph_id': 3, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Investment institutions', 'provenance': [{'wikipedia_id': '208836', 'title': 'Financial institution', 'start_paragraph_id': 4, 'start_character': 13, 'end_paragraph_id': 4, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '208836', 'title': 'Financial institution', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 211, 'bleu_score': 0.5160540869382331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15709913929126780946}, 'section': 'Section::::Abstract.'}]}]