With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Joan Crawford died on May 14, 1977.
text_B: Tracy Ashton is an American film and television actress .. She earned a degree from Southern Illinois University in dance .. Southern Illinois University. Southern Illinois University. In all her roles Tracy Ashton appears as disabled girls and women , because her left leg is amputated above the knee .
not_related.