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: lightning can cause a forest fire, Fact2: Forest fires are bad for the environment., Question: Lightning can be bad for what? (A) the environment (B) rainstorms (C) destruction (D) visibility (E) thunder (F) the sun (G) The weather. (H) transportation
Example Output: 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: when an animal moves , chemical energy is converted to mechanical energy, Fact2: Mechanical energy can be changed to electrical energy., Question: What can an animal's movement be changed to (A) they body they live in (B) solid, liquid, gas (C) heating liquids (D) protect them (E) electrical energy (F) objects that have mass (G) biodiversity (H) an object
Example Output:
E