Mathematics · Syllogism

Three statements are given followed by four conclusions numbered I, II, III, and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some rings are phones. All phones are laptops. Some laptops are stations. Conclusions: I. Some stations are rings. II. Some phones are stations. III. Some laptops are rings. IV. All rings being stations is a possibility.