Do you see brown grass or mud there?
No, there is grass but it is green.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of   12
2     1  to the right of    0
3     1  to the right of    4
4     3   to the left of    5
5     3   to the left of   15
6     4          wearing   12
7     4          wearing   17
8     4          holding   16
9     4          wearing   13
10    4   to the left of    1
11    5  to the right of    3
12    5  to the right of   15
13    6  to the right of    7
14    6  to the right of   11
15    7   to the left of    6
16    7   to the left of   10
17    8  to the right of   10
18   10  to the right of   11
19   10   to the left of   17
20   10   to the left of    8
21   10  to the right of    7
22   10         touching   16
23   11             near   16
24   11   to the left of   10
25   11   to the left of    6
26   12   to the left of    1
27   14           behind    4
28   15  to the right of    3
29   15   to the left of    5
30   16             near   11
31   17  to the right of   10
32   17               on    8