With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Nesbitt was in The Hobbit films.
text_B: The Alco SB-8  /  SSB-9 -LRB- spec .. DL 441 -RRB- was a diesel-electric locomotive of the switcher type constructed as a cow-calf set by ALCO of Schenectady , New York .. ALCO. ALCO. diesel. Diesel engine. diesel-electric locomotive. diesel-electric locomotive. switcher. switcher. cow-calf. cow-calf. These were based on the ALCO S-6 , and produced exclusively for Oliver Iron Mining , who bought two sets .. ALCO. ALCO. ALCO S-6. ALCO S-6. Oliver Iron Mining. Oliver Iron Mining. The ` cow ' being the model SB-8 , and the ` calf ' being. the SSB-9 .
not_related.