Information: - A historian is a person who researches, studies, and writes about the past, and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is concerned with events preceding written history, the individual is a historian of prehistory. Although "historian" can be used to describe amateur and professional historians alike, it is reserved more recently for those who have acquired graduate degrees in the discipline. Some historians, though, are recognized by publications or training and experience. "Historian" became a professional occupation in the late nineteenth century as research universities were emerging in Germany and elsewhere. - Paul the Deacon (720s 13 April 799 AD), also known as "Paulus Diaconus", "Warnefridus, Barnefridus, Winfridus" and sometimes suffixed "Cassinensis" (i.e. "of Monte Cassino"), was a Benedictine monk, scribe, and historian of the Lombards. - Monte Cassino (sometimes written Montecassino) is a rocky hill about southeast of Rome, Italy, to the west of the town of Cassino and altitude. Site of the Roman town of Casinum, it is best known for its historic abbey. St. Benedict of Nursia established his first monastery, the source of the Benedictine Order, here around 529. - The Adige is a river with its source in the Alpine province of South Tyrol near the Italian border with Austria and Switzerland. At in length, it is the second longest river in Italy, after the Po river at . - Ado ( or Ato ) ( died 695 ) was the Duke of Friuli after the usurper Ausfrid was defeated at Verona in 694 . According to Paul the Deacon , he was a brother of the former duke Rodoald and ruled for a year and seven months . The actual length of his reign is disputed , as is the year of its occurrence . He appears with the title loci servator ( caretaker ) and may have only held the duchy as regent on behalf of the king . A certain Ado fought with Raginpert against Liutpert in 702 , but the identification of this duke with Ado of Friuli is disputable . - Northeast Italy (or just ) is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a first level NUTS region and a European Parliament constituency. Northeast encompasses four of the country's 20 regions: - Verona (Venetian: "Verona", "Verona") is a city on the Adige river in Veneto, northern Italy, with approximately 265,000 inhabitants and one of the seven provincial capitals of the region. It is the second largest city municipality in the region and the third largest in northeast Italy. The metropolitan area of Verona covers an area of and has a population of 714,274 inhabitants. It is one of the main tourist destinations in northern Italy, owing to its artistic heritage, several annual fairs, shows, and operas, such as the lyrical season in the Arena, the ancient amphitheatre built by the Romans. - Northern Italy is a cultural and geographical region, without any administrative purpose, used to indicate the northern part of the Italian state, also informally referred as "Il Nord", "Settentrione" or "Alta Italia". It consists of 8 regions in northern Italy: Aosta Valley, Piedmont, Liguria, Lombardy, Emilia-Romagna, Veneto, Friuli-Venezia Giulia, Trentino-Alto Adige/Sudtirol. According to the 2011 census, its population was 27,213,372. For statistic purposes, the Istituto Nazionale di Statistica (ISTAT) uses the term Northwest Italy and Northeast Italy for identifying two of the five statistical regions in its reporting. These same subdivisions are used to demarcate first level Nomenclature of Territorial Units for Statistics (NUTS) regions ("NUTS 1 regions") within the European Union, and the Italian constituencies for the European Parliament. - The Lombards or Longobards (Italian "Longobardi" ) were a Germanic people who ruled large parts of the Italian Peninsula from 568 to 774. - Veneto (or ) or Venetia ( more specifically "") is one of the twenty regions of Italy. Its population is about five million, ranking fifth in Italy. The region's capital and largest city is Venice. Given the information above, choose from the list below the object entity that exhibits the relation 'country of citizenship' with the subject 'ado of friuli'. Choices: - austria - germany - italy - lombards - switzerland - venice
The answer to this question is:
lombards