With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Bond is a spy movie series.
text_B: The South African type FT tender was a steam locomotive tender .. A single Type FT tender entered service in 1937 , as tender to the sole steam locomotive which was placed in service by the South African Railways in that year .. South African Railways. South African Railways
not_related.