This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
[{'content': 'Haemorrhagic conjunctivitis is caused by \nSelect and explain. \nA. Enterovirus 70, B. Coxsackie virus, C. Enterovirus 72, D. Calcivirus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Acute haemorrhagic conjunctivitis It is an acute inflammation of conjunctiva characterised by multiple conjunctival haemorrhages, conjunctival hyperaemia and mild follicular hyperplasia. The disease is caused by Picornavirus (enterovirus type 70) which are RNA viruses of small (pico) size. Ref;A.K.Khurana; 6th edition; Page no:76', 'role': 'assistant'}]