With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Flash aired on CBS.
text_B: The Flash is a 1990 American television series developed by the writing team of Danny Bilson and Paul De Meo that aired on CBS .. Danny Bilson. Danny Bilson. Paul De Meo. Paul De Meo. CBS. CBS. American. United States. television series. television series. It is based on the DC Comics character Barry Allen  /  Flash , a costumed superhero crime-fighter with the power to move at superhuman speeds .. DC Comics. DC Comics. Barry Allen  /  Flash. Flash ( Barry Allen ). The Flash starred John Wesley Shipp as Allen , along with Amanda Pays , Alex Desert , and Paula Marshall .. John Wesley Shipp. John Wesley Shipp. Amanda Pays. Amanda Pays. Alex Desert. Alex Desert. Paula Marshall. Paula Marshall. It was the first-ever live-action portrayal of the DC superhero .
related.