With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Canadian actor starred in the film Splash.
text_B: Dorret I. Boomsma -LRB- born 18 November 1957 , Huizen , The Netherlands -RRB- is a Dutch biological psychologist specializing in genetics and twin studies .. Huizen. Huizen. Netherlands. Netherlands. Dutch. Netherlands. biological psychologist. Biological psychology. genetics. genetics. twin studies. twin study
not_related.