Statements:
No poem is a story.
All stories are novels.
All novels are articles.
Conclusions:
I. All articles are stories.
II. No article is a poem.
III. All novels are poems.
All stories are novels(A) + All novels are articles(A) ⇒ All stories are articles(A) ⇒ Conversion ⇒ Some articles are stories(I).Hence, conclusion I does not follow. No poem is a story(E) + All stories are novels(A) ⇒ Some novels are poem(O*). Hence, conclusion II and III does not follow. ALTERNATE METHOD: