With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Arkham Asylum's heroes include Harley Quinn.
text_B: Generalleutnant , short GenLt , -LRB- lieutenant general -RRB- is the second highest general officer rank in the German Army -LRB- Heer -RRB- , German Air Force -LRB- Luftwaffe -RRB- .. general officer. general officer. German Army. German Army. German Air Force. German Air Force
not_related.