4
natural
3
2
3
3
1
3
3
1
1
1
0
3
1
3
3
1
2
2
2
2
0
2
3
4
2
4
2
2
2
1
4
2
2
2
3
4
0
1
1
1
5
0
0
1
4
7
1
2
8
