Is the ground wet or dry?
The ground is dry.
    src        edge_attr  dst
0     0           behind    3
1     0  standing behind    3
2     0  to the right of    3
3     0          wearing    7
4     2      in front of   13
5     2             near    3
6     3             near    2
7     3   to the left of    0
8     3      in front of    0
9     3   to the left of   12
10    4        following    9
11    4           behind    9
12    4      in front of    8
13    4  to the right of    8
14    4   to the left of    9
15    8   to the left of    4
16    8           behind    4
17    9      followed by    4
18    9      in front of    4
19    9  to the right of    4
20   12  to the right of    3