In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement 1 : All dawn is day.
Statement 2 : No day is night.
Conclusion I : No night is day.
Conclusion II : Some dawn is night.