Task: Question Answering
Input (English): In a population of brown snakes, a snake is born with a white-spotted pattern. Which factor will have the most influence on whether this trait will become common in the brown snake population?  
 (A) the ability of the snake to survive to reproduce (B) the appearance of other new traits in the baby snake (C) the history of the pattern in previous snake populations (D) the presence of thermal energy changing the snake pattern
Output (English): A