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").

Ex Input:
Fact1: Mating is generally preceded by courtship., Fact2: For example, a black rooster and a white hen mate, and the resulting offspring are gray., Question: What can result in offspring? (A) seeds (B) competition (C) courtship (D) travel (E) resistance (F) solitude (G) litter (H) reading

Ex Output:
C

Ex Input:
Fact1: Annelids are worms such as the familiar earthworm., Fact2: An earthworm has five hearts., Question: One example of an annelid has how many hearts? (A) three (B) Five (C) white (D) warm (E) four (F) strong (G) long (H) small

Ex Output:
B

Ex Input:
Fact1: Roots have primary and secondary meristems for growth in length and width., Fact2: Meristems are zones of intense activity., Question: Where does intense activity occur in a plant? (A) Roots (B) Buds (C) bamboo (D) fields (E) Summer (F) years (G) Hairs (H) Petals

Ex Output:
A