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: Some parasites kill their host, but most do not., Fact2: Parasites include lungworms and GI parasites., Question: What can kill their host? (A) cigarettes (B) bacteria (C) adding heat (D) heat or cold (E) burning (F) Dehydration (G) lungworms (H) Pollution
Example Output: G

Example Input: Fact1: a plants require water for survival, Fact2: Life-long learning is no longer a luxury for the few, but a survival skill for all., Question: Plants require what for life-long learning? (A) Light (B) protein (C) Energy. (D) gametes (E) genes (F) water (G) energy (H) oxygen
Example Output: F

Example Input: Fact1: if humans disturb animals in a location then those animals will move to a different location, Fact2: Some animals hide underground., Question: Where does prey go to hide? (A) Something with a head, thorax, and abdomen (B) they body they live in (C) marshes and swamps (D) Under water (E) To another location like underground (F) organisms and their habitat (G) Up a tree (H) In a house
Example Output:
E