With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Heartlight was Diamond's eighth top 10 hit.
text_B: Escape is a 1948 British-American thriller film directed by Joseph L. Mankiewicz .. Joseph L. Mankiewicz. Joseph L. Mankiewicz. thriller. Thriller ( genre ). Escape. Escape ( play ). It follows a Royal Air Force World War II veteran -LRB- Rex Harrison -RRB- who goes to prison and then escapes and meets a woman who persuades him to surrender .. Rex Harrison. Rex Harrison. Royal Air Force. Royal Air Force. The screenplay by Philip Dunne was based on the 1926 play Escape by John Galsworthy , which had previously been filmed in 1930 .. Philip Dunne. Philip Dunne ( writer ). John Galsworthy. John Galsworthy. Escape. Escape ( play ). filmed in 1930. Escape ( 1930 film )
not_related.