Question: where are mucosal associated lymphoid tissues present in the human body and why
[{'answer': 'gastrointestinal tract', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 225, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'oral passage', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 249, 'end_paragraph_id': 1, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'nasopharyngeal tract', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 263, 'end_paragraph_id': 1, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'thyroid', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 285, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'breast', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 294, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'lung', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 302, 'end_paragraph_id': 1, 'end_character': 306, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'salivary glands', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 308, 'end_paragraph_id': 1, 'end_character': 323, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'eye', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 325, 'end_paragraph_id': 1, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'skin', 'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 334, 'end_paragraph_id': 1, 'end_character': 338, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'to encounter antigens passing through the mucosal epithelium'}, {'answer': 'in various submucosal membrane sites of the body , such as the gastrointestinal tract , oral passage , nasopharyngeal tract , thyroid , breast , lung , salivary glands , eye , and skin'}, {'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 667, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7546819595708771743}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7546819595708771743}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3394505', 'title': 'Mucosa-associated lymphoid tissue', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['lung, salivary glands, eye, and skin', 'as the gastrointestinal tract, oral passage, nasopharyngeal tract, thyroid, breast, lung, salivary', 'The mucosa-associated lymphoid tissue (MALT), also called mucosa-associated lymphatic tissue, is a diffuse system of small concentrations of lymphoid tissue found in various submucosal membrane sites of the body, such as the gastrointestinal tract, oral passage, nasopharyngeal tract, thyroid, breast, lung, salivary glands, eye, and skin.']}}]}]