Task: Question Answering
Input (English): A research scientist repeatedly observes a bird avoiding a specific butterfly species even  though it eats other types of butterflies. Which statement most likely explains the behavior of the bird?     
 (A) The behavior is a random act. (B) The behavior is the result of a genetic mutation. (C) The behavior is inherited from the bird's parents. (D) The behavior is learned over the lifetime of the bird.
Output (English): D