For example, in the sentence "Зрители смогут увидеть показательные выступления спортсменов -чемпионов России и Европы" (Spectators will be able to see demonstrations of athletes -champions of Russia and Europe), prior negative relations between Russia and Europe are not mentioned.
we need an additional factor to provide the quality of the annotation, and the RuSentiFrames lexicon can be used as such a factor.