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: killing microorganisms in food can be used to extend the shelf life of that food, Fact2: Cooking kills the microorganisms., Question: What can extend the shelf life of food? (A) cooking it (B) Enzymes (C) evaporation (D) rays or beams (E) running it under water (F) Proteins (G) seasoning it (H) putting it on a counter
Example Output: A

Example Input: Fact1: Food consists of organic molecules that store energy in their chemical bonds., Fact2: If an molecule contains carbon, it is called organic., Question: What does food consist of? (A) mostly carbon (B) solid, liquid, gas (C) mostly arsenic (D) mostly hydrogen (E) Energy. (F) mostly nitrogen (G) glucose (H) Most plants
Example Output: A

Example Input: Fact1: Secondary meristem is located within and around the vascular tissues., Fact2: Secondary meristems make the stem or root grow larger in diameter., Question: What make the stem or root grow larger in diameter? (A) heart cells (B) rainfall (C) bending light rays (D) vascular tissues (E) tissue boxes (F) plant cells (G) colors of the spectrum (H) Exfoliation
Example Output:
D