Which color does the grass have?
The grass has brown color.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    2
2     1  to the right of    7
3     2   to the left of    1
4     2   to the left of    0
5     3               in    8
6     4               in    5
7     5   to the left of    6
8     6  to the right of    5
9     7   to the left of    9
10    7   to the left of    1
11    9               in    5
12    9          holding    1
13    9  to the right of    7
14    9             with    1