General Intelligence · Syllogism

In the following question, some statements are given followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. No B is R. II. No S is R. Conclusions: I. All S are B. II. Some R are not B.