What color is the grass?
The grass is brown.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    8
2     1  to the right of    2
3     2   to the left of    7
4     2   to the left of    1
5     2   to the left of    0
6     4               of    5
7     4               of    7
8     6       looking at    8
9     7  to the right of    2
10    7  to the right of    8
11    8   to the left of    1
12    8   to the left of    7
13    8       looking at    6