In each question below are four statements followed by four conclusions numbered I, II, III and IV. You have to take the four 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 four given statements disregarding commonly known facts. Then, decide which of the answers (a),(b),(c),(d) or (e) is the correct answer.
Statements
All stones are pearls.
Some pearls are shells.
Some shells are boxes.
No box is a container.
Conclusions
I. Some stones are shells.
II. No pearl is a container.
III. No shell is a container.
IV. Some pearls are containers.