Is the grass brown?
No, the grass is green.
    src        edge_attr  dst
0     0   to the left of    7
1     4  to the right of   13
2     4  to the right of    6
3     4  to the right of   10
4     5  to the right of    6
5     5  to the right of   13
6     6   to the left of    4
7     6   to the left of   10
8     6   to the left of    5
9     7  to the right of    0
10    8       covered by   12
11   10   to the left of    4
12   10  to the right of    6
13   10   to the left of   11
14   10  to the right of   13
15   11  to the right of   10
16   11  to the right of   13
17   12         covering    8
18   13   to the left of   10
19   13   to the left of    5
20   13          wearing    0
21   13   to the left of   11
22   13   to the left of    4