With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rumi was a soldier.
text_B: The Meroka CIWS is a Spanish Navy 12 barrelled 20 mm CIWS , using twelve Oerlikon 20 mm / 120 guns mounted in 2 rows of 6 guns each .. Spanish Navy. Spanish Navy. CIWS. Close-in weapon system. Oerlikon. Oerlikon Contraves. Spanish. Spain. The system 's primary purpose is defence against anti-ship missiles , and other precision guided weapons .. However it can also be employed against aircraft , ships and other small craft , coastal targets , and floating mines .. The weapon is mounted primarily on Spanish naval vessels , from frigate size upwards .. Spanish. Spain. frigate. frigate. The term MeRoKa -LRB- from German Mehrrohrkanone , meaning multi-barrelled gun -RRB- can refer to weapons such as the Nordenfelt gun but is more commonly used referring to this naval CIWS defence system .. CIWS. Close-in weapon system. German. German language. Nordenfelt gun. Nordenfelt gun. The `` Meroka '' was developed and produced by the Spanish firm FABA -LRB- Fabrica de Artilleria Bazan -RRB- .. Spanish. Spain. FABA. Navantia
not_related.