This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Which of the following is/are arboviral diseases -a) Japanese encephalitisb) Denguec) Yellow feverd) Hand-foot-mouth diseasee) Rocky montain spotted fever \nSelect and explain. \nA. ab, B. abc, C. acd, D. bcd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]