Question: where do famous and unique mangrove trees grow
[{'answer': 'coastal saline or brackish water', 'provenance': [{'wikipedia_id': '73448', 'title': 'Mangrove', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '73448', 'title': 'Mangrove', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 357, 'bleu_score': 0.7888429745176571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12843890483293971053}, 'section': 'Section::::Abstract.'}]}]