Question: what kind of animal is kai kung fu panda
[{'answer': 'Yak', 'provenance': [{'wikipedia_id': '18375766', 'title': 'List of Kung Fu Panda characters', 'start_paragraph_id': 194, 'start_character': 1332, 'end_paragraph_id': 194, 'end_character': 1335, 'bleu_score': 1.0, 'section': 'Section::::Enemies.:Kai.\n'}]}]