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: insect bites cause harm to living things, Fact2: Iguanas are a lot like dogs, people and other living things., Question: What can an insect to do cause harm to people? (A) humans (B) Injury (C) Bite an iguana (D) Bite a dog (E) deadly (F) Bite (G) death (H) Bite an insect
Example Output: F

Example Input: Fact1: Amphibians have sense organs to smell and taste chemicals., Fact2: Amphibians also use smell and hearing to hunt prey., Question: Amphibians have what to help hunt prey (A) feathers (B) critical organs (C) organs (D) sense organs (E) four limbs (F) sensory neurons (G) flippers (H) claws
Example Output:
D