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: soil erosion means soil loss through wind, Fact2: Wind is defined as moving air., Question: what causes soil loss from soil erosion? (A) nutrients (B) flooding (C) rainfall (D) moving air (E) deforestation (F) forces (G) stagnant air (H) lome
Example Output: D

Example Input: Fact1: Flowing water can slowly dissolve carbon in sedimentary rock., Fact2: Rivers and streams are bodies of fresh, flowing water., Question: What can slowly dissolve carbon in sedimentary rock? (A) hydrocarbons (B) acetic acid (C) precipitation (D) evaporation (E) rivers and streams (F) puddles (G) ponds (H) nitrogen
Example Output: E

Example Input: Fact1: Slime molds are fungus-like protists commonly found on rotting logs and compost., Fact2: Methane gas is a produced by rotting compost, trash, and human waste., Question: Slime molds can produce (A) Localized damage (B) methane gas (C) bioaerosols (D) Chemical energy (E) reproduce (F) massive damage (G) heat energy (H) Greenhouse gases
Example Output:
B