With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Melisandre was in a novel in a series by an American producer.
text_B: Tigray Stadium , also known as Balloni , is a multi-use stadium in Mek ` ele , Ethiopia .. Ethiopia. Ethiopia. stadium. stadium. The stadium has a capacity of 35,000 people .. stadium. stadium
not_related.