Detailed Instructions: 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: Coyotes maintain their territory by marking it with urine., Question: what use pheromones in urine to maintain their territory? (A) baby dogs (B) bears (C) rabbit (D) Male dogs (E) girl puppies (F) mammals (G) female dogs (H) animals
A:
D