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 they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statements:
I. All blankets are bedsheet.
II. No bedsheet is a curtain.
Conclusions:
I. Some bedsheet are blanket.
II. No curtain is a blanket.