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: Infancy is the period of most rapid growth after birth., Fact2: Development means to get better, growth means to get bigger., Question: What is the period of most rapidly getting bigger after birth? (A) 86400 (B) infancy (C) adult (D) a hosta (E) pregnancy (F) adulthood (G) eight (H) angiosperm
Example Output: B

Example Input: Fact1: lakes are formed by precipitation and runoff, Fact2: Runoff from precipitation is a natural part of the water cycle., Question: What are some of the steps that forms a lake? (A) decomposition and respiration (B) storing water (C) photosynthesis and solar energy (D) near the shoreline (E) precipitation and run-off (F) perspiration and excretion (G) The area was once underwater (H) At the peak of a mountain
Example Output: E

Example Input: Fact1: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Potent liquid sterilant kills AIDS and other viruses on surfaces., Question: What can sterilant be used for? (A) transportation (B) Warmer temperatures (C) trailers and boats (D) curing them (E) trees and flowers (F) Transporting humans (G) measuring device (H) clean a table
Example Output:
H