Conclusions: I. All Writers can be Novels.

Solution

From Statement I. Only a few Novels are Writers → All Writers can be Novels (A). Hence conclusion I follows. Some Magazines are Journals (I) + All Journals are Novels (A) → Some Magazines are Novels (I). Hence conclusion II does not follow. From Statement II. All Writers are Journals (A) + No Journal is a Novel (E) → No Writers is a Novel (E) → Probable conclusion → No conclusion. Hence conclusion I does not follow. No Journal is a Novel (E) → Conversion → No Novel is a Journal (E) + All Journals are Magazines (A) → Some Magazine are not Novels (O*). Hence conclusion II does not follow. From Statement III. No Writer is a Novel (E) → Conversion → No Novel is a Writer (E). Hence conclusion I does not follow. Some Novels are Journals (I) + Some Journals are not Magazines (I) → No conclusion. Hence conclusion II does not follow. From Statement IV. Only a few Novels are Magazines (I) + No Magazines is a Writers (E) → Some Novels are not Writers (O) → Probable conclusion → All Writers can be Novels (A). Hence conclusion I follows.   Only a few Novels are Magazines → Some Novels are not Magazines (O). Hence conclusion II follows.