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").

Ex Input:
Fact1: bacteria cause food poisoning, Fact2: Examples are the E-Coli bacteria and Hanta virus., Question: E.Coli poisoning can come from what? (A) germs (B) animal (C) toxins (D) death (E) food (F) skin (G) sunlight (H) running

Ex Output:
E


Ex Input:
Fact1: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are a type of mechanoreceptor., Question: some mechanoreceptors sense what in temperature? (A) Energy (B) Energy. (C) hunger (D) pain (E) differences (F) kinetic energy (G) heat energy (H) similarities

Ex Output:
E


Ex Input:
Fact1: using renewable resources to generate power reduces greenhouse gases, Fact2: Renewable resources include water, timber, wind., Question: what can you use to generate power to reduce greenhouse gases? (A) bamboo (B) coal (C) fibers (D) watts (E) energy (F) fossil fuels (G) trees (H) wind

Ex Output:

H