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").

Example Input: Fact1: Fission takes place when an animal divides into two parts., Fact2: Flagellates reproduce by binary fission., Question: How do Flagellates reproduce? (A) diving into two parts (B) it keeps an organism warm (C) metabolic reaction (D) allow growth (E) photosynthesis (F) irradiation (G) The bending of a ray of light (H) By wind and rain
Example Output: A

Example Input: Fact1: Cancer is a disease that occurs when the cell cycle is no longer regulated., Fact2: Metastatic cancer is cancer that has spread., Question: a disease that can be metastic occurs when the cell cycle is regulated how often? (A) often (B) no less (C) forever (D) Leptospirosis (E) illness (F) heat or cold (G) no longer (H) electrically
Example Output: G

Example Input: Fact1: Evolution occurs in response to a change in the environment., Fact2: Animals react instinctively to changes in their environment., Question: What occurs in animals as they respond to changes in their habitat? (A) starvation (B) evolution (C) arousal (D) relocation (E) resistance (F) dependency (G) Leptospirosis (H) Movement
Example Output:
B