Statements:
No television is a magazine.
Some magazines are radios.
Some radios are newspapers.
All newspapers are journals.
Conclusions:
I. No newspaper is a magazine.
II. At least some newspapers are magazine.
III. No radio is a magazine.
I + I ⇒ No conclusion. Hence, neither conclusion I nor conclusion II does not follows, but conclusion I and conclusion II makes a complementary pair. Some magazines are radios. (I) ⇒ conversion ⇒ Some radios are magazines. (I) Hence, conclusion III does not follows.