With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Tennant was in the film Harry Potter and the Goblet of Fire.
text_B: The 6th Blockbuster Entertainment Awards were held on May 9 , 2000 at the Shrine Auditorium in Los Angeles .. Shrine Auditorium. Shrine Auditorium. Blockbuster Entertainment Awards. Blockbuster Entertainment Awards. They were the first Blockbuster Entertainment Awards to present awards for video games in addition to music and film .. Blockbuster Entertainment Awards. Blockbuster Entertainment Awards. Below is a complete list of nominees and winners .. Winners are highlighted in bold .
not_related.