General Intelligence · Syllogism

Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: I. All red are pen. II. All rubber are pen. Conclusions: I. Some red are rubber. II. Some pen are rubber. III. No red is rubber.