Does the sentence "Bishops were appointed by the feudal lords (kings, dukes and other landowners) and they often ruled as virtual princes over large estates." provide a valid answer to the question "Who were bishops appointed by?"

A: yes

Does the sentence "Recent research from 2006 examines the gradual development of industry and further development of shipping in a predominantly agricultural economy, calculating an average rate of per capita GDP growth between 1833 and 1911 that was only slightly lower than that of the other Western European nations." provide a valid answer to the question "What does recent research from 2006 examine?"

A: no

Does the sentence "It is still French property, administered by a French representative and under the authority of the French Ministry of Foreign Affairs." provide a valid answer to the question "Who was the last resident of Longwood house before Napoleon III took it over?"

A: no

Does the sentence "The complete technical disclosure of the Columbia LP by Peter C. Goldmark, Rene' Snepvangers and William S. Bachman in 1949 made it possible for a great variety of record companies to get into the business of making long playing records." provide a valid answer to the question "What aided in records sales in the 1950s?"

A:
no