Question: different types of oils that can be used with an oio lens
[{'answer': 'cedar tree oil', 'provenance': [{'wikipedia_id': '11990241', 'title': 'Oil immersion', 'start_paragraph_id': 16, 'start_character': 65, 'end_paragraph_id': 16, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Immersion oil.\n'}]}, {'answer': 'synthetic immersion oils', 'provenance': [{'wikipedia_id': '11990241', 'title': 'Oil immersion', 'start_paragraph_id': 16, 'start_character': 26, 'end_paragraph_id': 16, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Immersion oil.\n'}]}, {'provenance': [{'wikipedia_id': '11990241', 'title': 'Oil immersion', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 986, 'bleu_score': 0.9876155018005031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14628328375863489048}, 'section': 'Section::::Immersion oil.\n'}]}]