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: All cnidarians are aquatic., Fact2: Cnidarians are also called coelenterates., Question: What are aquatic? (A) coelenterates (B) trees (C) lizards (D) angiosperm (E) holding nutrients (F) trees and flowers (G) the Sun (H) humans
Example Output: A

Example Input: Fact1: conserving water can be used for survival in a dry environment, Fact2: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive., Question: Plants can conserve water in order to survive where? (A) our planet (B) in a vacuum (C) in the desert (D) Earth's atmosphere (E) In the winter (F) in a laboratory (G) on the moon (H) forest is destroyed
Example Output: C

Example Input: Fact1: Viruses are usually considered to be nonliving., Fact2: Viruses are acellular and live on materials of other life., Question: what do acellular organisms need? (A) body water (B) fungi (C) Bodily water (D) Energy. (E) moss (F) Energy (G) flesh (H) living host
Example Output:
H