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Some papers are copies (I) + No copy is a diaries (E) = Some papers are not diaries (O). Hence, neither conclusion I nor II will follow. However, Conclusion I and II make a complementary pair, hence, either conclusion I or II will follow. ALTERNATE METHOD: All possible cases:
In case A, no paper is a diary and in case B & C some papers are diary. Thus, either of them is true.
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