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: Ancestors of hagfish are thought to have been the earliest vertebrates., Fact2: Property of ancestors and forefathers can only be legally inherited by sons., Question: Forefathers of what kind of fish are thought to be the earliest vertebrates? (A) hagfish (B) Pelycosaur (C) fish (D) angiosperm (E) adult (F) Therapsids (G) marine (H) aquatic
Example Output: A

Example Input: Fact1: Tunicates reproduce sexually., Fact2: Bulbs are classifies as tunicate or non-tunicate., Question: How many ways can a bulb reproduce? (A) LEDs (B) Two (C) Many (D) wind (E) well (F) 12 (G) bent (H) tube
Example Output: B

Example Input: Fact1: Insulin helps cells take up glucose from the blood., Fact2: If there is a lot of glucose in the blood, the pancreas makes insulin., Question: What makes something that helps cells take up glucose from the blood? (A) exercise (B) sweating (C) food (D) blood flow (E) acetic acid (F) eye sockets (G) protein cells (H) pancreas
Example Output:
H