With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Helen Keller's sign language teacher was Anne Sullivan.
text_B: Laurie Bird -LRB- September 26 , 1953 -- June 15 , 1979 -RRB- was an American film actress and photographer .. photographer. photographer. American. United States. actress. actress. She appeared in only three films during the 1970s .. Two of them were directed by Monte Hellman .. Monte Hellman. Monte Hellman
not_related.