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: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2

Ex Output:
B


Ex Input:
Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Polar bears are mammals., Question: What can generate little bursts of heat by shivering? (A) alpacas (B) bacteria (C) animals (D) polar bears (E) phytoplankton (F) rabbit (G) viruses (H) humans

Ex Output:
D


Ex Input:
Fact1: Corals form large colonies in shallow tropical water., Fact2: Corals are tiny flower-like animals that live in colonies., Question: Where do flower-like animals live? (A) Hot waters (B) Cold waters (C) Chlorophyll (D) loose soil (E) Shallow waters (F) our planet (G) the environment (H) Deep waters

Ex Output:

E