General Intelligence · Syllogism

In the following question, two statements are given followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements. Statements: I. All yellow are red. II. Some yellow are white. Conclusions: I. All red are white. II. Some white are yellow. III. Some red are yellow.