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").
--------
Question: 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

Answer: E


Question: Fact1: acid rain has a negative impact on water quality, Fact2: Sulfur dioxide causes acid rain., Question: What has a negative impact on water quality? (A) Reverse osmosis (B) fossil fuels (C) Fresh water (D) Carbon filter (E) chlorofluorocarbons (F) Sulfur dioxide (G) Pollution (H) harmful substances

Answer: F


Question: Fact1: Urine leaves the body through a sphincter in the process of urination., Fact2: Elimination of urine is normally a voluntary process for adults., Question: Urine leaves the body through voluntary elimination for adults? (A) forceful pressure (B) hostile elimination (C) voluntary elimination (D) Converting waste. (E) solid, liquid, gas (F) violent churning (G) It helps them survive (H) By wind and rain

Answer:
C