s (4: os je (4: os veľmi rafinovaný a elegantný.####[['(4: os', 'OS#OPERATION_PERFORMANCE', 'positive'], ['(4: os', 'OS#OPERATION_PERFORMANCE', 'positive'], ['os', 'OS#OPERATION_PERFORMANCE', 'positive'], ['os', 'OS#OPERATION_PERFORMANCE', 'positive']]