In the question three statements are given, followed by three conclusions, I, II and III. 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: All passes are valleys
Statement II: Some passes are mountains
Statement III: Some hills are mountains as well as valleys

Conclusion I: Some hills are passes
Conclusion II: Some mountains are valleys
Conclusion III: All valleys are hills