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").

Input: Consider Input: Fact1: creating paper requires cutting down trees, Fact2: Deforestation takes place when trees are cut down in the rainforest., Question: What can cause deforestation? (A) Planting flowers (B) Creating paper (C) Greenhouse gases (D) Filtering water (E) Greenhouse gasses (F) Cutting grass (G) Pesticides (H) Pollution

Output: B


Input: Consider Input: Fact1: some animals' fur grows thicker for staying warm in the winter, Fact2: During winter, their hollow fur absorbs much heat as they sun themselves., Question: hollow fur keeps animals what (A) fats (B) camouflaged (C) safe (D) warm (E) cooled (F) liquid (G) live (H) from drowning

Output: D


Input: Consider Input: Fact1: Biodiversity increases the productivity and stability of ecosystems., Fact2: Biodiversity and ecosystems are complex systems., Question: What type of system is biodiversity? (A) our planet (B) insects (C) good (D) complex (E) trees (F) animals (G) fertile (H) vegetation


Output: D