Update README.md

README.md

@@ -9,6 +9,10 @@ Based on Sberquad
 - Context augmented with some pices of texts from wiki accordant to text on tematic and keywords.
 
 - This dataset cold be used for training retrieval LLM models or modificators for ability of LLM to retrieve target information from collection of tematic related texts.
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+- Dataset has vercion with SOURCE data for generating answer with specifing source document for right answer
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 Dataset consists of 45278 examples in russian language of format:
 
   {