<s>[INST] The next text is a question of a member of the European parliament:"In several countries there are calls for an examination of the options for leaving the European Union, as a result of dissatisfaction with the way it operates.  Article50 states that the European Council shall propose guidelines for the conclusion of an agreement setting out the arrangements for withdrawal of a Member State.  I should like to know what such an agreement might entail. In addition, Ishould also like to know what procedures are applicable (internal and external) if a Member State announces a withdrawal procedure as a result of a decision by its competent authorities."
Analyze carefully the text and assign it to the most relevant policy area among those listed below. Do not explain your answer and return only a number.
Policy area numbers: 1 = Macroeconomics
2 = Civil Rights, Minority Issues and Civil Liberties
3 = Health
4 = Agriculture and Fisheries
5 = Labour, employment and pensions
6 = Education
7 = Environment
8 = Energy
9 = Immigration
10 = Transportation
12 = Law and Crime
13 = Social welfare
14 = Regional and Urban issues and Planning
15 = Banking, finance and domestic commerce issues
16 = Defence
17 = Space, science, technology, and communications issues
18 = Foreign trade
19 = International affairs and foreign aid
20 = Governance and government
21 = Public Lands, Water Management and Territorial Issues
23 = Culture and media
[/INST]. Answer = [20]. </s>
In several countries there are calls for an examination of the options for leaving the European Union, as a result of dissatisfaction with the way it operates.  Article50 states that the European Council shall propose guidelines for the conclusion of an agreement setting out the arrangements for withdrawal of a Member State.  I should like to know what such an agreement might entail. In addition, Ishould also like to know what procedures are applicable (internal and external) if a Member State announces a withdrawal procedure as a result of a decision by its competent authorities.