<s>[INST] The next text is a question of a member of the European parliament:"Regulation 2719/95 (1) lays down the criteria and arrangements regarding Community structural assistance in the fisheries and aquaculture sector and the processing and marketing of its products. Could the Commission confirm that the measures are optional for Member States?  Which Member States have implemented the measures in the regulation, in particular the socio-economic accompanying measures assisting individuals in the sector?    (1)OJ L 283, 25.11.1995, p. 3."
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 = [4]. </s>
Regulation 2719/95 (1) lays down the criteria and arrangements regarding Community structural assistance in the fisheries and aquaculture sector and the processing and marketing of its products. Could the Commission confirm that the measures are optional for Member States?  Which Member States have implemented the measures in the regulation, in particular the socio-economic accompanying measures assisting individuals in the sector?    (1)OJ L 283, 25.11.1995, p. 3.