Q: Information: - Diazomethane is the chemical compound CHN, discovered by German chemist Hans von Pechmann in 1894. It is the simplest diazo compound. In the pure form at room temperature, it is an extremely sensitive explosive yellow gas; thus, it is almost universally used as a solution in diethyl ether. The compound is a popular methylating agent in the laboratory, but it is too hazardous to be employed on an industrial scale without special precautions. - Ethers are a class of organic compounds that contain an ether groupan oxygen atom connected to two alkyl or aryl groups. They have the general formula ROR, where R and R represent the alkyl or aryl groups. Ethers can again be classified into two varieties: if the alkyl groups are the same on both sides of the oxygen atom, then it is a simple or symmetrical ether, whereas if they are different, the ethers are called mixed or unsymmetrical ethers. A typical example of the first group is the solvent and anesthetic diethyl ether, commonly referred to simply as "ether". Ethers are common in organic chemistry and pervasive in biochemistry, as they are common linkages in carbohydrates and lignin. - Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma). A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture would contain a variety of pure gases much like the air. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles. This separation usually makes a colorless gas invisible to the human observer. The interaction of gas particles in the presence of electric and gravitational fields are considered negligible as indicated by the constant velocity vectors in the image. One type of commonly known gas is steam. - Diethyl ether or simply ether, is an organic compound in the ether class with the formula . It is a colorless, highly volatile flammable liquid. It is commonly used as a solvent in laboratories and as a starting fluid for some engines. It was formerly used as a general anesthetic, until non-flammable drugs were developed, such as halothane. It has been used as a recreational drug to cause intoxication. - Hans von Pechmann (1 April 1850 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation and Pechmann pyrazole synthesis. He also first prepared 1,2-diketones (e.g., diacetyl), acetonedicarboxylic acid, methylglyoxal and diphenyltriketone; established the symmetrical structure of anthraquinone. - Trimethylsilyldiazomethane , ( CH3 ) 3SiCHN2 , is a diazo compound widely used as a less - explosive replacement for diazomethane . Given the paragraphs above, decide what entity has the relation 'instance of' with 'chemical compound'.
A: trimethylsilyldiazomethane

Q: Information: - ITV2, is a 24-hour, free-to-air entertainment television channel in the United Kingdom, Isle of Man and the Channel Islands owned by ITV Digital Channels Ltd, a division of ITV plc. It was launched on 7 December 1998 and is available digitally via satellite, cable, IPTV and terrestrial (Freeview) platforms. For a number of years, it had the largest audience share after the five analogue terrestrial stations, a claim now held by its sister service ITV3 both of which are freely available to a majority of households. - Television or TV is a telecommunication medium used for transmitting moving images in monochrome (black-and-white), or in color, and in two or three dimensions and sound. It can refer to a television set, a television program ("TV show"), or the medium of television transmission. Television is a mass medium, for entertainment, education, news, and advertising. - ITV plc is a British media company that holds 13 of the 15 regional television licences that make up the ITV network, the oldest and largest commercial terrestrial television network in the United Kingdom. The network, which is branded ITV by ITV plc, has vied with the British Broadcasting Corporation's BBC One for the status of the UK's most watched channel since the 1950s (a crown it lost in 2005). - The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a sovereign country in western Europe. Lying off the north-western coast of the European mainland, it includes the island of Great Britain (the name of which is also loosely applied to the whole country), the north-eastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK that shares a land border with another sovereign statethe Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-south-west, giving it the 12th-longest coastline in the world. The Irish Sea lies between Great Britain and Ireland. With an area of , the UK is the 78th-largest sovereign state in the world and the 11th-largest in Europe. It is also the 21st-most populous country, with an estimated 65.1 million inhabitants. Together, this makes it the fourth most densely populated country in the European Union. - Plus was a digital channel run by Granada Sky Broadcasting . It was launched on 1 October 1996 under the original name of Granada Plus , and during its availability it underwent successive rebrands as G Plus , G + and then simply Plus . However , it remained widely referred to by the public at large by its original name . On 1 November 2004 , it was permanently closed down by ITV plc in an attempt to bring its replacement , ITV3 , on Sky . - BBC One is the flagship television channel of the British Broadcasting Corporation in the United Kingdom, Isle of Man and Channel Islands. It was launched on 2 November 1936 as the BBC Television Service, and was the world's first regular television service with a high level of image resolution. It was renamed BBC TV in 1960, using this name until the launch of sister channel BBC2 in 1964, whereupon the BBC TV channel became known as BBC1, with the current spelling adopted in 1997. - The British Broadcasting Corporation (BBC) is a British public service broadcaster. It is headquartered at Broadcasting House in London, is the world's oldest national broadcasting organisation, and is the largest broadcaster in the world by number of employees, with over 20,950 staff in total, of whom 16,672 are in public sector broadcasting; including part-time, flexible as well as fixed contract staff, the total number is 35,402. - ITV3 is an entertainment television channel in the United Kingdom that is owned by ITV Digital Channels Ltd, a division of ITV plc. The channel was launched on 1 November 2004. ITV3 is the sixth largest UK television channel by audience share and the largest after the five main terrestrial services, the position which was previously held by its sister station ITV2. The channel is known for UK dramas. Given the paragraphs above, decide what entity has the relation 'instance of' with 'television channel'.
A:
plus