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: an animal usually requires a warm body temperature for survival, Fact2: Squirrels hide and sleep in a secret warm place all winter., Question: What requires hiding and sleeping for survival? (A) bacteria (B) rice (C) amphibians (D) organisms (E) Frogs (F) trees (G) humans (H) animals
[EX A]: H

[EX Q]: Fact1: cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy, Fact2: Cellular respiration occurs in the mitochondria., Question: Where does a cell convert oxygen and carbohydrates into carbon dioxide, water, and energy?  (A) Most plants (B) aerobic capacity (C) In the mitochondria (D) the body's largest organ (E) they body they live in (F) Veins and arteries. (G) Organic compounds (H) circulatory systems
[EX A]: C

[EX Q]: Fact1: conserving water can be used for survival in a dry environment, Fact2: Deserts are usually very, very dry., Question: where can conserving water be used for survival in? (A) our planet (B) oceans (C) rivers (D) deserts (E) watershed (F) clouds (G) Mountains (H) soils
[EX A]:
D