Please answer the following question: Information: - Sandstone (sometimes known as arenite) is a clastic sedimentary rock composed mainly of sand-sized minerals or rock grains. - An ecumenical council (or oecumenical council; also general council) is a conference of ecclesiastical dignitaries and theological experts convened to discuss and settle matters of Church doctrine and practice in which those entitled to vote are convoked from the whole world (oikoumene) and which secures the approbation of the whole Church. - Reims (also spelt Rheims), a city in the Grand Est region of France, lies east-northeast of Paris. The 2013 census recorded 182,592 inhabitants ("Remoises" (feminine) and "Remois" (masculine)) in the city of Reims proper (the "commune"), and 317,611 inhabitants in the metropolitan area ("aire urbaine"). - Luxembourg, officially the Grand Duchy of Luxembourg, is a landlocked country in western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France to the south. Its capital, Luxembourg City, is, together with Brussels and Strasbourg, one of the three official capitals of the European Union and the seat of the European Court of Justice, the highest juridical authority in the EU. Its culture, people and languages are highly intertwined with its neighbors, making it essentially a mixture of French and Germanic cultures. The repeated invasions by its neighbor countries, especially in World War II, resulted in the country's strong will for mediation between France and Germany and led to the foundation of the European Union. - A synod historically is a council of a church, usually convened to decide an issue of doctrine, administration or application. In modern usage, the word often refers to the governing body of a particular church, whether its members are meeting or not. It is also sometimes used to refer to a church that is governed by a synod. - France, officially the French Republic, is a country with territory in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. Overseas France include French Guiana on the South American continent and several island territories in the Atlantic, Pacific and Indian oceans. France spans and had a total population of almost 67 million people as of January 2017. It is a unitary semi-presidential republic with the capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse and Bordeaux. - Trier, formerly known in English as Treves, is a city in Germany on the banks of the Moselle. Trier lies in a valley between low vine-covered hills of red sandstone in the west of the state of Rhineland-Palatinate, near the border with Luxembourg and within the important Moselle wine region. - The Rhine (, , ) is a European river that begins in the Swiss canton of Graubunden in the southeastern Swiss Alps, forms part of the Swiss-Austrian, Swiss-Liechtenstein, Swiss-German and then the Franco-German border, then flows through the Rhineland and eventually empties into the North Sea in the Netherlands. The largest city on the river Rhine is Cologne, Germany, with a population of more than 1,050,000 people. It is the second-longest river in Central and Western Europe (after the Danube), at about , with an average discharge of about . - In 1148 , a Council of Reims was called by Pope Eugene III to consider a number of regulations , or canons , for the Church , as well as to debate some other issues . Originally the summons for the council went out in October 1147 and it was supposed to be held in Trier , which is now in Germany , but conditions in Trier were such that it was moved to Reims , in France , for February 1148 . A number of the summoned bishops and other church officials did not attend and Eugene suspended many of the non-attendees , excepting the Italian ecclesiastics , who were excused . The council lasted 11 days , and convened on 21 March 1148 . From 400 to 1100 ecclesiastics are considered to have attended , although this number does not include the various servants and officials of the attendees , who would have swelled the numbers . After the conclusion of the council , Eugene held a consistory trial of Gilbert of Poitiers , the Bishop of Poitiers , who was accused of heretical teachings . In the end , Gilbert was allowed to return to his bishopric . - Rhineland-Palatinate (German: "Rheinland-Pfalz") is one of the 16 states (German: "Lander", lit. "countries" however better translated as "state") of the Federal Republic of Germany. It has an area of and about four million inhabitants. Its state capital is Mainz. Rhineland-Palatinate is located in western Germany and borders Belgium, Luxembourg and France, and the German states of North Rhine-Westphalia, Hesse, Baden-Wurttemberg and Saarland. - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Dusseldorf. - Reims, located in the north-east of modern France, hosted several councils or synods in the Roman Catholic Church. These councils did not universally represent the church and are not counted among the official Ecumenical Councils. After reading the paragraphs above, we are interested in knowing the entity with which 'council of reims ' exhibits the relationship of 'instance of'. Find the answer from the choices below. Choices: - administration - area - berlin - border - census - channel - church - city - climate - commune - continent - council - country - duchy - foundation - four - island - landlocked country - meeting - member - member state of the european union - metropolitan - metropolitan area - official - people - region - region of france - republic - river - rock - roman catholic church - sandstone - state - synod - territory - three - wine - word
A:
synod