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: No taps are nozzles
Statement II: Some valves are taps

Conclusion I: All nozzles are valves
Conclusion II: All valves are nozzles