With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Doctor Who is produced by the British Broadcasting Corporation.
text_B: Wattwiller -LRB- Wattwillr Wattweiler -RRB- is a communes in the Haut-Rhin department in Grand Est in north-eastern France .. communes. Communes of France. Haut-Rhin. Haut-Rhin. department. Departments of France. Grand Est. Grand Est. France. France. Located near Hartmannswillerkopf , it was a strategic village during World War Two .. Hartmannswillerkopf. Hartmannswillerkopf. Nowadays Wattwiller is known for its mineral water .
not_related.