Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Raw meat is loaded with harmful bacteria., Question: What should you sterilize after placing an uncooked hamburger on it? (A) plasma and formed elements (B) Surfaces and counters (C) safe operation (D) Sesame Buns (E) antigens that cause allergy (F) Hot frying pans (G) Raw Meat (H) one-celled animals
A:
B