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").

[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
[A]: E

[Q]: Fact1: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat is evaporated into the air, it provides additional cooling., Question: Energy that comes from body heat can help with (A) recovery (B) commuting (C) movement (D) cooling (E) strength (F) stay warm (G) health (H) motion
[A]: D

[Q]: Fact1: friction causes the temperature of an object to increase, Fact2: Astrogarden objects are toys., Question: What does friction do to a toy? (A) increases its temperature (B) heat is produced (C) converting electricity to heat (D) winds it up (E) It gets heated up (F) douses it in water (G) frosts it (H) decreases its bodily water
[A]:
A