Question: what does the reticulum do in the digestive system
[{'answer': 'a role in particle separation', 'provenance': [{'wikipedia_id': '9753794', 'title': 'Reticulum (anatomy)', 'start_paragraph_id': 9, 'start_character': 41, 'end_paragraph_id': 9, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Role in digestion.\n'}]}, {'provenance': [{'wikipedia_id': '9753794', 'title': 'Reticulum (anatomy)', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 887, 'bleu_score': 0.985662154730604, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16034455745647643213}, 'section': 'Section::::Role in digestion.\n'}]}]