With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: BoJack Horseman had a well-received special.
text_B: The Mayor of the Township of Langley is the official head and chief executive officer of Langley Township , British Columbia .. Langley Township. Langley, British Columbia ( district municipality ). British Columbia. British Columbia. Since 1967 , the mayor has been elected for a three-year term , though previously , township reeves were elected for one-year terms .. The 10th and current mayor is Jack Froese .
not_related.