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: 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

Ex Input:
Fact1: a mold spore has a negative impact on the respiratory system, Fact2: Insects also have both a heart and a respiratory, or breathing, system., Question: Mold spores have what impact on breathing? (A) neutral (B) ambiguous (C) symptoms (D) motility (E) positive (F) dangerous (G) negative (H) uncontrolled

Ex Output:
G

Ex Input:
Fact1: heat and pressure change the remains of prehistoric living things into natural gas, Fact2: Fossils are the remains of prehistoric life., Question: What two things turn fossils to natural gas? (A) heat and cold (B) heat and fuel (C) hydrogen and oxygen (D) heat and pressure (E) pressure and time (F) scarce resources (G) kinetic energy (H) chemical changes

Ex Output:
D