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: if an object is kicked then force is exerted on that object, Fact2: Force is measured in newtons., Question: what is exerted on a kicked object? (A) adding heat (B) soccer ball (C) shorts (D) wooden plank (E) kinetic energy (F) Electrical energy (G) direct damage to the lungs (H) measurement of newtons
Example Output: H

Example Input: Fact1: Bivalves feed on plankton and nonliving organic matter., Fact2: Mussels are bivalve mollusks., Question: What feeds on plankton and nonliving organic matter? (A) barnacles (B) mollusks (C) animals (D) the Sun (E) sharks (F) graptolites (G) bacteria (H) dogs
Example Output: B

Example Input: Fact1: Mating is generally preceded by courtship., Fact2: Friendship usually precedes courtship, and courtship, marriage., Question: What often precedes mating? (A) A Greek letter (B) competition (C) friendship (D) birth of a child (E) death (F) Chemical energy (G) pregnancy (H) sweating
Example Output:
C