Concept:From "Some A are B", it follows that "Some B are A", but not that "Some A are not B".Explanation:Statement: Some nurses are nuns.This implies that at least one nurse is a nun.Thus, "Some nuns are nurses" is true (conclusion I).Conclusion II says "Some nurses are not nuns" — this is not necessarily true because all nurses could be nuns.So only conclusion I follows.Answer:Option A (if only conclusion I follows).