What animal is brown?
The animal is a horse.
    src        edge_attr  dst
0     0  to the right of    3
1     1   to the left of    6
2     2  to the right of    4
3     3   to the left of    4
4     3   to the left of    0
5     4   to the left of    2
6     4   to the left of    5
7     4  to the right of    3
8     5           riding    2
9     5   to the left of    6
10    5  to the right of    4
11    6  to the right of    1
12    6  to the right of    5