4
smoking
1
2
3
4
2
2
4
3
2
1
5
1
3
31K
15K
2
4
3
0
2
3
4
2
3
4
1
0
2
4
3
3
2
2
3
6
2
3
5
3
3
5
0
4
3
3
1
12K
1
6
