With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Richard Harris is unaware of This Sporting Life.
text_B: Richard St John Harris -LRB- 1 October 1930 -- 25 October 2002 -RRB- was an Irish actor and singer .. He appeared on stage and in many films , appearing as Frank Machin in This Sporting Life , and King Arthur in the 1967 film Camelot and the subsequent 1981 revival of the show .. This Sporting Life. This Sporting Life. King Arthur. King Arthur. Camelot. Camelot ( film ). He played an aristocrat and prisoner in A Man Called Horse -LRB- 1970 -RRB- , a gunfighter in Clint Eastwood 's Western film Unforgiven -LRB- 1992 -RRB- , Emperor Marcus Aurelius in Gladiator -LRB- 2000 -RRB- , and Albus Dumbledore in the first two Harry Potter films  : the Sorcerer 's Stone -LRB- 2001 -RRB- and the Chamber of Secrets -LRB- 2002 -RRB- .. A Man Called Horse. A Man Called Horse ( film ). gunfighter. gunfighter. Clint Eastwood. Clint Eastwood. Unforgiven. Unforgiven. Marcus Aurelius. Marcus Aurelius. Gladiator. Gladiator ( 2000 film ). Albus Dumbledore. Albus Dumbledore. Harry Potter. Harry Potter ( film series ). the Chamber of Secrets. Harry Potter and the Chamber of Secrets ( film ). Harris had a top ten hit in the United Kingdom and United States with his 1968 recording of Jimmy Webb 's song `` MacArthur Park '' .. Jimmy Webb. Jimmy Webb. MacArthur Park. MacArthur Park ( song )
related.