Statements : Some tapes are discs. Some discs are cassettes. Some cassettes are songs.Conclusions :I. Some songs are discs.II. Some cassettes are tapes.III. Some songs are tapes.IV. No song is a disc.

• A. nly either I or IV follows
• B. nly either II or IV follows
• C. nly III and IV follow
• D. nly III and either II or IV follows
• E. one of these