With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man was released in 2002.
text_B: Belarus is represented by 36 athletes at the 2006 European Athletics Championships .. Belarus. Belarus. 2006 European Athletics Championships. 2006 European Athletics Championships. They had surprising success with getting a 3rd place in the medal table , after their neighbours Russia and Germany .. Russia. Russia. Germany. Germany
not_related.