Problem: None of the Polish-Russian treaties concerning Kiev has ever been ratified .
None of the Russian-Polish treaties concerning Kiev have ever been ratified .
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A: yes

Problem: In the early 1970s , Naughton wrote for the scientific weekly , the '' New Statesman '' , mainly covering political and cultural issues .
In the early 1970s , Naughton wrote for the scientific weekly , the '' New Statesman '' , mainly on political and cultural issues .
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A: yes

Problem: Its base or round edge contains the free band and the paraumbilical veins between its layers .
Its base or round edge contains between its layers the free ligament and the paraumbilical veins .
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A:
yes