Q33. Statements
1. Some mysteries are movies.
2. No toys are plays.
3. Some toys are mysteries.
Conclusions:
I. Some toys are movies.
II. Some mysteries are plays.
III. Some toys are not movies.
IV. Some mysteries are not plays.
(d) Either I or III and IV follow.
Conclusions I and III do not follow. But both make a complementary pair. From statements (iii) and (ii) it can be derived that: "Some mysteries are not plays". Hence Conclusion IV follows.