Question: what type of epithelial tissue lines the mouth
[{'answer': 'nonkeratinized stratified squamous epithelium', 'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 25, 'start_character': 109, 'end_paragraph_id': 25, 'end_character': 154, 'bleu_score': 1.0, 'section': 'Section::::Structure.:Location.\n'}]}, {'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 852, 'bleu_score': 0.96401701927018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8778645942800419998}, 'section': 'Section::::Structure.:Location.\n'}]}]