With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Caleb Landry Jones stars in Get Out.
text_B: Mała Wierzyca is a river of Poland , a tributary of the Wierzyca .. Poland. Poland. Wierzyca. Wierzyca. Category  : Rivers of Poland. Poland. Poland
not_related.