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 : No shirts are t-shirts.
Statement 2 : All t-shirts are cotton.

Conclusion I : Some shirts are cotton.
Conclusion II : No t-shirts are shirts.