With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tim Allen was on an American sitcom.
text_B: Home Improvement is an American television sitcom starring Tim Allen that aired on ABC from September 17 , 1991 , to May 25 , 1999 , with a total of 204 half-hour episodes spanning over eight seasons .. Tim Allen. Tim Allen. ABC. American Broadcasting Company. television sitcom. television sitcom. The series was created by Matt Williams , Carmen Finestra , and David McFadzean .. Carmen Finestra. Carmen Finestra. David McFadzean. David McFadzean. Matt Williams. Matt Williams ( TV producer ). In the 1990s , it was one of the most watched sitcoms in the American market , winning many awards .. The series launched Tim Allen 's acting career and was the start of the television career of Pamela Anderson , who was part of the recurring cast for the first two seasons .. Tim Allen. Tim Allen. Pamela Anderson. Pamela Anderson
related.