Is there any brown mud or grass?
No, there is grass but it is green.
    src        edge_attr  dst
0     0   to the left of   18
1     0   to the left of    7
2     0           behind    7
3     1   on the side of    7
4     1  to the right of    3
5     3           riding    7
6     3       sitting on    7
7     3   to the left of   16
8     3  to the right of    4
9     3   to the left of    1
10    3  to the right of   11
11    4             near    5
12    4   to the left of    3
13    4   to the left of   13
14    4   to the left of    6
15    4   to the left of   18
16    4   to the left of    7
17    4          next to    5
18    5             near    4
19    6  to the right of    4
20    6  to the right of   11
21    7  to the right of    4
22    7  to the right of   11
23    7  to the right of    0
24    7               on    5
25    7      in front of    0
26    7  to the right of   15
27   10               on    7
28   11   to the left of    6
29   11   to the left of   18
30   11   to the left of    7
31   11   to the left of    3
32   13               in   14
33   13  to the right of    4
34   15           beside    5
35   15   to the left of    7
36   16  to the right of    3
37   18  to the right of   11
38   18  to the right of    4
39   18  to the right of    0