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: Ants communicate with chemicals called pheromones., Fact2: Ants are of extreme importance in the insect world., Question: How do some insects communicate? (A) sound (B) sensory neurons (C) Decibels (D) electronic waves (E) progesterone (F) Vibrates (G) pheromones (H) radio waves

Ex Output:
G


Ex Input:
Fact1: Active immunity results when an immune response to a pathogen produces memory cells., Fact2: Pathogens are germs that cause disease., Question: Active immunity is when an immune response occurs after a germ produces what? (A) harmful substances (B) bioaerosols (C) rapid expansion (D) Allergies (E) anemia (F) it needs them (G) Chemical energy (H) memory cells

Ex Output:
H


Ex Input:
Fact1: Mollusks are invertebrates such as the common snail., Fact2: An abalone is a shellfish or mollusk., Question: What are invertebrates such as the common snail? (A) abalone (B) barnacles (C) fish (D) lizards (E) insects (F) homogenous (G) food (H) deer

Ex Output:

A