With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Streptococcus belongs to every phylum which lacks a cell wall structure.
text_B: Nova Ves is a village and municipality -LRB- obec -RRB- in Brno-Country District in the South Moravian Region of the Czech Republic .. Region. Regions of the Czech Republic. South Moravian. South Moravian Region. District. Districts of the Czech Republic. Brno-Country. Brno-Country District. obec. obec. Brno-Country District. Brno-Country District. South Moravian Region. South Moravian Region. Brno. Brno. The municipality covers an area of 11.54 km2 , and has a population of 753 -LRB- as at 3 July 2006 -RRB- .. Nova Ves lies approximately 25 km south-west of Brno and 174 km south-east of Prague .. Brno. Brno. Prague. Prague
not_related.