With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Game of Thrones won the 1997 Locus Award before it lit on fire.
text_B: Centralized traffic control -LRB- CTC -RRB- is a form of railway signalling that originated in North America .. railway signalling. railway signalling. CTC consolidates train routing decisions that were previously carried out by local signal operators or the train crews themselves .. The system consists of a centralized train dispatcher 's office that controls railroad interlockings and traffic flows in portions of the rail system designated as CTC territory .. train dispatcher. train dispatcher. One hallmark of CTC is a control panel with a graphical depiction of the railroad .. On this panel the dispatcher can keep track of trains ' locations across the territory that the dispatcher controls .. Larger railroads may have multiple dispatcher 's offices and even multiple dispatchers for each operating division .. These offices are usually located near the busiest yards or stations , and their operational qualities can be compared to air traffic towers .. yards. railroad yard. stations. railway station
not_related.