Statements: Only books are staplers.
All pencils are books.
All pencils are glasses.
No glass is a jug.
Conclusions: I. Some books are jugs.
II. All books are staplers.
Some books are pencils (I) + All pencils are glasses (A) = some books are glasses (I) + No glass is a jug (E) = Some books are not jugs (O).Hence, Conclusion I will not follow. Only books are staplers ⇒ Some books are staplers (I) and All staplers are books (A).Hence, Conclusion II will not follow.