Question: where are the blood vessels of the skin located
[{'answer': 'the dermis', 'provenance': [{'wikipedia_id': '27978', 'title': 'Skin', 'start_paragraph_id': 18, 'start_character': 156, 'end_paragraph_id': 18, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Structure in humans and other mammals.:Epidermis.\n'}]}, {'provenance': [{'wikipedia_id': '27978', 'title': 'Skin', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 371, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2137534333424878344}, 'section': 'Section::::Structure in humans and other mammals.:Dermis.\n'}]}]