With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Streptococcus lacks a generally round shape.
text_B: Marcos Abner Delgado Ocampo -LRB- born 17 February 1988 -RRB- is a Peruvian footballer who plays for Juan Aurich as a central midfielder .. Juan Aurich. Juan Aurich. Peruvian. Peruvian people. footballer. Association football. central midfielder. midfielder
not_related.