<s>[INST] The next text is a question of a member of the European parliament:"Can the Commission investigate the N-Viro fertiliser process in respect of dangers to public health, and state whether this product has been tested and proved safe for agricultural land use? Anglian Water is proposing to build a new sewage works in my constituency which will use this process, and there are naturally concerns regarding a product about which little is known and which could prove dangerous to public health. Could the Commission also state whether this N-Viro process is used in other countries in Europe?"
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>
Can the Commission investigate the N-Viro fertiliser process in respect of dangers to public health, and state whether this product has been tested and proved safe for agricultural land use? Anglian Water is proposing to build a new sewage works in my constituency which will use this process, and there are naturally concerns regarding a product about which little is known and which could prove dangerous to public health. Could the Commission also state whether this N-Viro process is used in other countries in Europe?