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").

Fact1: Balance is the ability to sense and maintain body position., Fact2: People fall when they lose their sense of balance., Question: the ability to sense and maintain body position prevents people what (A) falling (B) death (C) illness (D) starving (E) blindness (F) disease (G) depression (H) sweating
A

Fact1: Many plants respond to the days growing shorter in the fall by going dormant., Fact2: Jade plants have an active and a dormant growing cycle., Question: What do Jade plants do in the fall? (A) Change colors (B) Go dormant (C) Reproduce (D) Wilt (E) Exfoliation (F) Refract it (G) relocation (H) It expands
B

Fact1: using a gasoline engine requires burning gasoline, Fact2: Gasoline is used in cars, boats, motorcycles, lawn mowers and other engines., Question: What does using a car require? (A) Burning gasoline (B) Burning wood (C) Electrical energy (D) a hydraulic system (E) Driving a boat (F) Burning tires (G) Time and energy (H) hydrogen and oxygen
A