With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brad Pitt produced 2006 crime drama The Departed.
text_B: The Kalanguyskoye mine is a large mine located in the south-eastern Russia in Primorsky Krai .. Primorsky Krai. Primorsky Krai. Russia. Russia. Kalanguyskoye represents one of the largest fluorite reserves in Russia having estimated reserves of 6.3 million tonnes of ore grading 60 % fluorite .. Russia. Russia. fluorite. fluorite
not_related.