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: Pregnancy is the carrying of one or more offspring from fertilization until birth., Fact2: An elephant pregnancy lasts about 22 months., Question: How long is the time from fertilization until birth for an elephant? (A) minutes (B) fewer (C) winter (D) 22 months (E) eight (F) Ages 0 to 3 (G) 86400 (H) calibrated
Example Output: D

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: Caecilians can be found in moist soil near rivers and streams in tropical regions., Fact2: Salamanders, frogs, toads, caecilians Class Reptilia., Question: What can be found in moist soil near rivers and streams in tropical regions? (A) storing water (B) a fish (C) insects (D) Most plants (E) shrub beds (F) bioaerosols (G) ferns (H) reptilians
Example Output:
H

