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: Echinoderms lack a centralized nervous system., Fact2: Sand dollars and sea biscuits are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Humans (C) Horses (D) Sand dollars (E) insects (F) Chickens (G) Pesticides (H) barnacles
Example Output: D

Example Input: Fact1: a seismograph is used for measuring the size of an earthquake, Fact2: When earthquakes occur near cities of any size, the potential for damage is great., Question: A seismograph is used to measure the what of damage done by an occurrence? (A) hail (B) color (C) shape (D) stoma (E) size (F) death (G) attraction (H) homes
Example Output: E

Example Input: Fact1: using a car causes pollution, Fact2: Environmental pollution leads to more ill-health., Question: What does using a car lead to? (A) more ill-health (B) hypothyroidism (C) Decrease bodily water (D) Dehydration (E) clear skies (F) better fitness levels (G) higher fertility (H) lowered energy cost
Example Output:
A