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: 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

Output: D


Input: Consider 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

Output: D


Input: Consider Input: Fact1: Migrants typically travel long distances., Fact2: Barn swallows are Neotropical migrants., Question: An animal that travels long distances is (A) brown bear (B) dangerous (C) Riding a bike (D) warm-blooded (E) a barn swallow (F) supersonic (G) ground squirrel (H) mountain gorilla


Output: E