Q: 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").
Fact1: scraping oneself on a contaminated object may cause infection, Fact2: An infection is an invasion of the body by bacteria., Question: Scraping oneself on a contaminated object may cause an invasion of the body by what? (A) amoebae (B) bacteria (C) blood (D) dogs (E) disease (F) horses (G) toxins (H) fish
A:
B