Information:  - The European Patent Convention (EPC), also known as the Convention on the Grant of European Patents of 5 October 1973, is a multilateral treaty instituting the European Patent Organisation and providing an autonomous legal system according to which European patents are granted. The term "European patent" is used to refer to patents granted under the European Patent Convention. However, a European patent is not a unitary right, but a group of essentially independent nationally-enforceable, nationally-revocable patents, subject to central revocation or narrowing as a group pursuant to two types of unified, post-grant procedures: a time-limited opposition procedure, which can be initiated by any person except the patent proprietor, and limitation and revocation procedures, which can be initiated by the patent proprietor only.  - 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 Düsseldorf.  - Munich (also in British English ) is the capital and largest city of the German state of Bavaria, on the banks of River Isar north of the Bavarian Alps. Munich is the third largest city in Germany, after Berlin and Hamburg, and the 12th biggest city of the European Union, with a population of above 1.5 million. The Munich Metropolitan Region is home to 5.8 million people.  - The European Patent Office ( EPO ) is one of the two organs of the European Patent Organisation ( EPOrg ) , the other being the Administrative Council . The EPO acts as executive body for the Organisation while the Administrative Council acts as its supervisory body as well as , to a limited extent , its legislative body . The actual legislative power to revise the European Patent Convention lies with the Contracting States themselves when meeting at a Conference of the Contracting States . Within the European Patent Office , examiners are in charge of studying European patent applications , filed by applicants , in order to decide whether to grant a patent for an invention . The patents granted by the European Patent Office are called European patents .  - The European Patent Organisation (sometimes abbreviated EPOrg in order to distinguish it from the European Patent Office, one of the two organs of the organisation) is a public international organisation created in 1977 by its contracting states to grant patents in Europe under the European Patent Convention (EPC) of 1973. The European Patent Organisation has its seat at Munich, Germany, and has administrative and financial autonomy.    After reading the paragraphs above, we are interested in knowing the entity with which 'european patent office' exhibits the relationship of 'inception'. Find the answer from the choices below.  Choices: - 1  - 16  - 1977  - 5
A:
1977