With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Craig Middlebrooks is a character in an American TV show.
text_B: Code words used by the Royal Air Force during World War II  :. Royal Air Force. Royal Air Force. World War II. World War II. Angels -- height in thousands of feet .. Bandit -- identified enemy aircraft .. Bogey -- unidentified -LRB- possibly unfriendly -RRB- aircraft .. Buster -- radio-telephony code phrase for ` maximum throttle ' or full power climb .. Channel Stop -- Air operations intended to stop enemy shipping passing through the Strait of Dover .. Strait of Dover. Strait of Dover. Circus -- daytime bomber attacks with fighter escorts against short range targets , to occupy enemy fighters and keep them in the area concerned .. Diver -- radio-telephony code word for a sighted V-1 flying bomb .. V-1 flying bomb. V-1 flying bomb. Flower -- Counter-air patrols in the area of enemy airfields to preventing aircraft from taking off and attacking those aircraft that succeeded .. Gardening -- mine-laying operations .. Instep -- missions to restrict attacks on Coastal Command aircraft by maintaining a presence over the Western Approaches .. Coastal Command. RAF Coastal Command. Western Approaches. Western Approaches. Intruder -- offensive patrols to destroy enemy aircraft over their own territory , usually carried out at night .. Jim Crow -- coastal patrols to intercept enemy aircraft crossing the British coastline ; originally intended to warn of invasion in 1940 .. Kipper -- patrols to protect fishing boats in the North Sea against air attack .. Mahmoud -- sorties flown by de Havilland Mosquitoes equipped with rear-facing radar ; when an enemy aircraft was detected a 180 ° turn enabled an attack .. Mandolin -- attacks on enemy railway transport and other ground targets .. Noball -- attacks on V-weapons launch sites and related targets .. V-weapons. V-weapons. Ramrod -- short range bomber attacks to destroy ground targets , similar to Circus attacks .. Ranger -- freelance flights over enemy territory by units of any size , to occupy and tire enemy fighters .. Rhubarb -- fighter or fighter-bomber sections , at times of low cloud and poor visibility , crossing the English Channel and then dropping below cloud level to search for opportunity targets such as railway locomotives and rolling stock , aircraft on the ground , enemy troops , and vehicles on roads .. English Channel. English Channel. Roadstead -- dive bombing and low level attacks on enemy ships at sea or in harbour .. Rodeo -- fighter sweeps over enemy territory .. Rover -- armed reconnaissance flights with attacks on opportunity targets .. Scramble -- fast take-off and climb to intercept enemy aircraft .. Scramble. Scrambling ( military ). Tally-ho -- radio-telephony code word for ` enemy in sight ' .. Tally-ho. Tally-ho
not_related.