What animal is drinking the water?
The zebra is drinking the water.
   src        edge_attr  dst
0    0  to the right of    3
1    2   to the left of    9
2    3  to the right of    5
3    3   to the left of    0
4    5   to the left of    3
5    8               in    1
6    8         drinking    0
7    9  to the right of    2