Task: Question Understanding
Input (English): Question: Nectar is a sweet liquid that some flowering plants produce. A hummingbird drinks nectar from a flower. When a hummingbird drinks nectar, pollen from the flower sticks to the hummingbird's beak. The picture shows a hummingbird drinking nectar from a flower. Which statement explains the role of a hummingbird in the life cycle of a flowering plant? (A) A hummingbird carries food to the plant. (B) A hummingbird helps the plant reproduce. (C) A hummingbird protects the plant from predators. (D) A hummingbird makes the flowers produce nectar.?
Output (English): role, hummingbird, life, cycle, flowering, plant?