With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ford Motor Company has a joint-venture with Russian Sollers established in 2011.
text_B: The Sharps-Borchardt Model 1878 is a single-shot hammerless falling-block action rifle designed by Hugo Borchardt and made by the Sharps Rifle Manufacturing Company .. Hugo Borchardt. Hugo Borchardt. Sharps Rifle Manufacturing Company. Sharps Rifle Manufacturing Company. falling-block. falling-block. falling-block action. falling-block action. rifle. rifle. Sharps Rifle. Sharps Rifle. It closely resembles older Sharps Rifles but has a firing mechanism that uses a hammerless striker rather than a hammer and firing pin like the old Sharps Rifle .. Sharps Rifle. Sharps Rifle. This hammerless dropping-block breech-loader was based on a patent granted to Hugo Borchardt in 1877 .. Hugo Borchardt. Hugo Borchardt. dropping-block. Firearm action#Dropping block. It was the last of the Sharps single-shot rifles , and the Borchardt did not sell very well .. According to company records 22,500 rifles were made in all models from 1877 until the Sharps Rifle Co. closed down in 1881 .. Sharps Rifle. Sharps Rifle. Although it was designed for the huge black powder `` buffalo '' cartridges of the day , it came too late , at the very end of the great bison slaughter .. Three variants were produced  : Military , Sporting , and Express .. The Military Sharps-Borchardt was made only in .45 -70 with 32 '' round barrels , whereas the Sporting Model 1878 and the Express Model 1878 were offered with octagonal barrels of varying lengths and calibers .. The Military version was purchased by the Militias of the states of Michigan , North Carolina , and Massachusetts .. Notwithstanding its lack of commercial success the Sharps-Borchardt is admired for its strength and accuracy  : reputed to be one of the strongest if not the strongest rifle action ever built before the latter 20th century .. rifle. rifle. The gun was revolutionary at its time for its use of coil springs as opposed to flat springs .. These guns were popular among long-range shooters and Creedmore Match competitors .. Many were rechambered for use as small bore varmint rifles .. Surviving guns are highly prized by collectors , especially unmodified examples chambered for heavy .45 and .50 - caliber Sharps big-game cartridges .. A company known as Borchardt Rifle Corporation has started fabrication of reproduction M1878 Borchardt rifles .
not_related.