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: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat

Output: H


Input: Consider Input: Fact1: measuring the hardness of minerals requires scratching those materials, Fact2: To figure out the hardness of a mineral, the Moh's scale of hardness is used., Question: the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics

Output: E


Input: Consider Input: Fact1: telephones are used for communication by two people by transmitting sound, Fact2: Loudspeakers then turn the signals into sounds., Question: What are used for communication by two people by transmitting signals? (A) electricity (B) satellites (C) air (D) phytoplanktons (E) unidirectional (F) telephones (G) the Sun (H) waves


Output: F