Which kind of animal is standing on the ground?
The animal is a cow.
   src        edge_attr  dst
0    0      standing on    2
1    0  to the right of    4
2    3  to the right of    6
3    3   to the left of    7
4    4   to the left of    0
5    6   to the left of    7
6    6   to the left of    3
7    7  to the right of    6
8    7  to the right of    3