Which color do you think is the grass?
The grass is yellow.
    src        edge_attr  dst
0     0  to the right of   17
1     0   to the left of   12
2     1          wearing    0
3     1          wearing   14
4     1   to the left of    6
5     1  to the right of    4
6     2   to the left of   18
7     2   to the left of    3
8     3   to the left of   18
9     3   on the side of   19
10    3  to the right of    2
11    4   to the left of    1
12    4   to the left of   10
13    4   to the left of   21
14    5   to the left of    9
15    5  to the right of   18
16    6  to the right of   10
17    6  to the right of   21
18    6               in    9
19    6  to the right of    1
20    6   to the left of    9
21    7   to the left of   20
22    8               on    7
23    9  to the right of    5
24    9  to the right of    6
25   10  to the right of    4
26   10   to the left of    6
27   12  to the right of   17
28   12  to the right of    0
29   13  to the right of   17
30   17   to the left of   12
31   17   to the left of    0
32   17   to the left of   13
33   18   to the left of    5
34   18  to the right of    3
35   18  to the right of    2
36   20  to the right of    7
37   21  to the right of    4
38   21   to the left of    6
39   23               on   22
40   23           riding   22