2
no drinking
2
1
3
4
2
2
2
2
5
6
3
2
1
2
1
4
5
3
6
2
3
2
3
4
3
4
3
2
3
3
2
2
1
2
1
3
2
1
3
3
4
2
1
2
3
7
2
2
3
