Original sentence: While 25% of the natural gas in Ukraine comes from its own sources, about 35 % comes from Russia and the remaining 30% come from Central Asia through the transit routes that Russia controls
Edited sentence: 25% of the gaz in Ukraine comes from its own sources, about 30% from Central Asia and about 35% from Russia.Ethnic Russians disregarding their place of residence in Ukraine usually are not able to communicate effectively in Ukrainian nor show interest in learning Ukrainian language, although understand it well, thus continuing the tradition of national ignorance which was common among russian speaking population in all national republics of USSR