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 I: Some razors are blades
Statement II: All knives are razors

Conclusion I: Some razors are knives
Conclusion II: No knives are blades