With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mike Tyson was in matches against Danny Williams and prevailed.
text_B: Morse High School is the name of several high schools  :. Samuel F. B. Morse High School San Diego , California. Samuel F. B. Morse High School. Samuel F. B. Morse High School. Morse High School -LRB- Maine -RRB- Bath , Maine
not_related.