What animal is running through the river?
The animal is a dog.
    src        edge_attr  dst
0     0      in front of    2
1     0  to the right of    5
2     0  to the right of    4
3     0  to the right of    2
4     0  to the right of    6
5     1  to the right of    8
6     2           behind    0
7     2   to the left of    0
8     2  running through    3
9     4   to the left of    0
10    5  to the right of    9
11    5   to the left of    0
12    6   to the left of    0
13    8               on   10
14    8   to the left of    1
15    9   to the left of    5