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: 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: Male dogs use pheromones in urine to mark their territory., Fact2: During Urination Dog's urine is used as a scent marker for other dogs., Question: How do male dogs mark their territory? (A) Chemical energy (B) Hot dog eating contest (C) Adequate signage (D) with their fur (E) Scent marker (F) heat produced (G) mate with females (H) Paint
[EX A]: E

[EX Q]: Fact1: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Bacteria can cause infection., Question: Any surface that has not been sterilized could result in what? (A) Major effects (B) diabetes (C) air pollution (D) erosion (E) disinfectant (F) infection (G) Car accidents (H) soap
[EX A]:
F