Logger: grouping news in threads in ../../sampledata_en/ directory Logger: FIRST WE HAVE TO PREPROCESS DATA - REPEATING TASK 1 ON THE GIVEN DATASET... Logger: filtering English & Russian texts in ../../sampledata_en/ directory 8396 exec time: 37.11669301986694 number of texts: 8396 count in dataset: 8155 count in dataset: 0 Logger: GROUPING NEWS INTO THREADS - TASK 4