With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Arrow was primarily filmed in Russia.
text_B: This is a chronology of major events in the Malaysian Expressway System .. Malaysian Expressway System. Malaysian Expressway System. The Malaysian Expressway System is a network of controlled-access highways in Malaysia .. Malaysian Expressway System. Malaysian Expressway System. Malaysia. Malaysia
not_related.