With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ultimate Spider-Man had many actors.
text_B: Charles Douglas Richardson -LRB- 7 July 1853 -- 15 October 1932 -RRB- was one of the most gifted sculptors working in Australia at c. 1900 .. His contemporary Bertram Mackennal was a highly enterprising sculptor , who had a more business-like approach to promoting his work .. Bertram Mackennal. Bertram Mackennal. Richardson 's career was based in Australia from 1889 onwards , whereas Mackennal spent most of his working life outside of Australia .
not_related.