Question: what do cruise ships do with their garbage
[{'answer': 'waste streams', 'provenance': [{'wikipedia_id': '16220091', 'title': 'Cruise ship pollution in the United States', 'start_paragraph_id': 2, 'start_character': 330, 'end_paragraph_id': 2, 'end_character': 343, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16220091', 'title': 'Cruise ship pollution in the United States', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 791, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8965362706019009153}, 'section': 'Section::::Abstract.'}]}]