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 Q]: Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Lung injuries are treated with bronchodilatory treatment., Question: What treatment can be used in treating pneumonia? (A) the respiratory system (B) a breathing mask (C) bronchodilatory treatment (D) aqueous solution (E) immunotherapy (F) radiation therapy (G) immune system (H) chemotherapy
[EX A]: C

[EX Q]: Fact1: All chemical reactions require activation energy to get started., Fact2: Fire is a chemical reaction., Question: What does fire require to get started? (A) an engine (B) activation energy (C) water (D) energy usage (E) direct energy (F) dogs (G) activated almonds (H) adding heat
[EX A]: B

[EX Q]: Fact1: better senses have a positive impact on an animal 's survival, Fact2: An important aspect of survival for any species is reproduction ., Question: Better senses have a positive impact on an animal 's (A) sensory neurons (B) Sand dollars (C) organs (D) genetic diversity (E) growth (F) food and shelter (G) kinetic energy (H) reproduction
[EX A]:
H