Question: what does it mean when cats sniff each others noses
[{'answer': 'friendly , tactile greeting', 'provenance': [{'wikipedia_id': '5741167', 'title': 'Cat communication', 'start_paragraph_id': 56, 'start_character': 64, 'end_paragraph_id': 56, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Tactile.\n'}]}, {'provenance': [{'wikipedia_id': '5741167', 'title': 'Cat communication', 'start_paragraph_id': 56, 'start_character': 0, 'end_paragraph_id': 56, 'end_character': 99, 'bleu_score': 0.673904706256473, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9895370601808717248}, 'section': 'Section::::Tactile.\n'}]}]