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: Ants communicate with chemicals called pheromones., Fact2: Ants communicate with the colony in the form of what is called pheremon trails., Question: Ants communicate with the colony using what? (A) Electrical energy (B) Chemical energy (C) visible energy (D) Decibels (E) pheremon traits (F) heat energy (G) refraction of light (H) mechanical waves
Example Output: E

Example Input: Fact1: a pesticide is used for protecting plants by killing insects, Fact2: Pesticides also kill beneficial insects that pollinate flowers and prey upon harmful insects., Question: What is used for protecting plants while killing beneficial pollinators? (A) watering cans (B) dangerous (C) toxins (D) pesticide (E) irrigation (F) exoskeleton (G) steroids (H) plant food
Example Output: D

Example Input: Fact1: Producers are organisms that produce food for themselves and other organisms., Fact2: Producers are the base of the food chain., Question: What does the base of the food chain provide food for? (A) It helps them survive (B) sediments (C) Most plants (D) other organisms (E) our planet (F) energy systems (G) fruits (H) Animal survival
Example Output:
D