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: moss causes chemical weathering, Fact2: Mosses Mosses are flowerless plants that grow in clumps., Question: What can cause chemical weathering? (A) Calcium carbonate (B) our nearest star (C) global warming (D) sea squirts (E) swamp vegetation (F) single-celled organisms (G) flowerless plants (H) Earthworms
Example Output: G

Example Input: Fact1: when an electrical circuit is working properly , electrical current runs through that circuit, Fact2: An electric current is then used to burn the tumor away., Question: When the electrical circuit is working properly, what can happen? (A) dogs can run (B) heat production (C) enormous damage to homes (D) a tumor can be burned away (E) massive damage (F) sperm and egg fuse (G) baskets can be hand-woven (H) bacteria can thrive
Example Output: D

Example Input: Fact1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants., Fact2: Corn sugar is primarily glucose., Question: Ethanol is produced by alcoholic fermentation of what? (A) chlorofluorocarbons (B) acetic acid (C) Chemical energy (D) carbon dioxide (E) Organic compounds (F) bioaerosols (G) aqueous solution (H) sugar in corn
Example Output:
H