Is there any grass in the image that is not brown?
Yes, there is green grass.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    9
2     0  to the right of   12
3     0   to the left of    8
4     0  to the right of    4
5     0             near    4
6     1   to the left of    8
7     1   to the left of   13
8     1   to the left of   16
9     1   to the left of   11
10    1   to the left of    9
11    2  to the right of   10
12    2  to the right of   12
13    2  on the front of    0
14    3   to the left of    8
15    4   to the left of    0
16    4          next to    0
17    5  on the front of    0
18    5   to the left of    6
19    5  to the right of   12
20    5  to the right of   10
21    6  to the right of    5
22    6  to the right of    7
23    6   to the left of    8
24    6  to the right of   17
25    7   to the left of    6
26    7  to the right of   17
27    8  to the right of    6
28    8  to the right of    3
29    8  to the right of    0
30    8  to the right of    1
31    9  to the right of    1
32    9  to the right of    0
33   10   to the left of    5
34   10   to the left of    0
35   10   to the left of    2
36   11  to the right of    1
37   12   to the left of    0
38   12   to the left of    2
39   12   to the left of    5
40   13  to the right of    1
41   16  to the right of    1
42   17   to the left of    7
43   17   to the left of    6