With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: CBS is an acronym for Columbia Broadcasting System.
text_B: CBS -LRB- an initialism of the network 's former name , the Columbia Broadcasting System -RRB- is an American English language commercial broadcast television network that is a flagship property of CBS Corporation .. television network. television network. English. English language. CBS Corporation. CBS Corporation. American. United States. English language. English language. commercial broadcast. commercial broadcasting. television. television. network. Television network. The company is headquartered at the CBS Building in New York City with major production facilities and operations in New York City -LRB- at the CBS Broadcast Center -RRB- and Los Angeles -LRB- at CBS Television City and the CBS Studio Center -RRB- .. Broadcast. Broadcast network. CBS Building. CBS Building. New York City. New York City. New York. New York ( state ). CBS Broadcast Center. CBS Broadcast Center. CBS Television City. CBS Television City. CBS Studio Center. CBS Studio Center. CBS is sometimes referred to as the `` Eye Network '' , in reference to the company 's iconic logo , in use since 1951 .. It has also been called the `` Tiffany Network '' , alluding to the perceived high quality of CBS programming during the tenure of William S. Paley .. William S. Paley. William S. Paley. It can also refer to some of CBS 's first demonstrations of color television , which were held in a former Tiffany & Co. building in New York City in 1950 .. New York City. New York City. New York. New York ( state ). television. television. color television. color television. The network has its origins in United Independent Broadcasters Inc. , a collection of 16 radio stations that was purchased by Paley in 1928 and renamed the Columbia Broadcasting System .. network. Television network. Under Paley 's guidance , CBS would first become one of the largest radio networks in the United States , and eventually one of the Big Three American broadcast television networks .. United States. United States. American. United States. television. television. Big Three American broadcast television networks. Big Three television networks. In 1974 , CBS dropped its former full name and became known simply as CBS , Inc. .. The Westinghouse Electric Corporation acquired the network in 1995 , renamed its corporate entity to the current CBS Broadcasting , Inc. in 1997 , and eventually adopted the name of the company it had acquired to become CBS Corporation .. CBS Corporation. CBS Corporation. network. Television network. Westinghouse Electric Corporation. Westinghouse Electric ( 1886 ). In 2000 , CBS came under the control of Viacom , which was formed as a spin-off of CBS in 1971 .. Viacom. Viacom ( original ). spin-off. corporate spin-off. In late 2005 , Viacom split itself into two separate companies , and re-established CBS Corporation -- through the spin-off of its broadcast television , radio and select cable television and non-broadcasting assets -- with the CBS television network at its core .. television network. television network. CBS Corporation. CBS Corporation. television. television. network. Television network. Viacom. Viacom ( original ). spin-off. corporate spin-off. cable television. cable television. CBS Corporation is controlled by Sumner Redstone through National Amusements , which also controls the current Viacom .. CBS Corporation. CBS Corporation. Viacom. Viacom ( original ). Sumner Redstone. Sumner Redstone. National Amusements. National Amusements. CBS continues to operate the CBS Radio network , which now mainly provides news and features content for its portfolio of owned-and-operated radio stations in large and mid-sized markets , and affiliated radio stations in various other markets .. Radio network. Radio network. network. Television network. CBS Radio. CBS Radio. owned-and-operated radio stations. owned-and-operated station. affiliated. network affiliate. The television network has more than 240 owned-and-operated and affiliated television stations throughout the United States .. television network. television network. United States. United States. television. television. network. Television network. affiliated. network affiliate
related.