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Solutions
The least possible Venn-diagram is-

Conclusions:
I. Some NPR are CAA - (False, as it is not a definite case).
II. Some CAA can be NPR - (It is a case of possibility which is true here, so it follows).
III. No NPR is CAA - (False, as it is not a definite case).
But, both conclusion I & III have complementary pairs therefore either I or III is true.
So conclusion II and either conclusion I or III follows.