Question: The Thuringian Realm existed until 531 and later, the Landgraviate of Thuringia was the largest state in the region, persisting between 1131 and 1247. Afterwards there was no state named Thuringia, nevertheless the term commonly described the region between the Harz mountains in the north, the Weiße Elster river in the east, the Franconian Forest in the south and the Werra river in the west. After the Treaty of Leipzig, Thuringia had its own dynasty again, the Ernestine Wettins. Their various lands formed the Free State of Thuringia, founded in 1920, together with some other small principalities. The Prussian territories around Erfurt, Mühlhausen and Nordhausen joined Thuringia in 1945.
Is there an answer to this question: How long did the Thuringian realm decay?

Answer: unanswerable


Question: Starting in the mid-1990s, Valencia, formerly an industrial centre, saw rapid development that expanded its cultural and touristic possibilities, and transformed it into a newly vibrant city. Many local landmarks were restored, including the ancient Towers of the medieval city (Serrano Towers and Quart Towers), and the San Miguel de los Reyes monastery, which now holds a conservation library. Whole sections of the old city, for example the Carmen Quarter, have been extensively renovated. The Paseo Marítimo, a 4 km (2 mi) long palm tree-lined promenade was constructed along the beaches of the north side of the port (Playa Las Arenas, Playa Cabañal and Playa de la Malvarrosa).
Is there an answer to this question: What is an example of a section of Valencia that was majorly renovated?

Answer: the Carmen Quarter


Question: In the past, many organizations have claimed ownership of patents related to MP3 decoding or encoding. These claims led to a number of legal threats and actions from a variety of sources. As a result, uncertainty about which patents must be licensed in order to create MP3 products without committing patent infringement in countries that allow software patents was a common feature of the early stages of adoption of the technology.
Is there an answer to this question: What was the danger of not correctly patenting products?

Answer: patent infringement


Question: A cappella music was originally used in religious music, especially church music as well as anasheed and zemirot. Gregorian chant is an example of a cappella singing, as is the majority of secular vocal music from the Renaissance. The madrigal, up until its development in the early Baroque into an instrumentally-accompanied form, is also usually in a cappella form. Jewish and Christian music were originally a cappella,[citation needed] and this practice has continued in both of these religions as well as in Islam.
Is there an answer to this question: In what era was most of the vocal music considered A cappella?

Answer:
Renaissance