With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Game of Thrones is an HBO television series.
text_B: A Dream is a Question You Do n't Know How to Answer is the debut studio album by Canadian recording artist Jonny Craig , released on August 18 , 2009 via Rise Records .. Jonny Craig. Jonny Craig. Rise. Rise Records. Rise Records. Rise Records
not_related.