Two trains bound for New Delhi from Kanyakumari leave Kanyakumari station within an interval of 30 minutes. For the first train there are 6 stops while for the second train there are only 5 stops. At each stop, the trains will stop for 15 minutes. Which of the following statements shoold be necessarily true?

• A. During the entire journey to New Delhi, the second train will always be behind first train.
• B. During the entire journey to New Delhi, the second train will always be behind first train if first train stops at all stations in which the second train stops.
• C. During the entire journey to New Delhi, the second train will be ahead, of the first train at some points, if second train does not stop at three stations in which the first train stops
• D. None of the above