Which kind of animal is in the river?
The animal is an elephant.
     src        edge_attr  dst
0      0   to the left of   26
1      0   to the left of   15
2      0   to the left of    9
3      1  to the right of   27
4      1  to the right of   22
..   ...              ...  ...
162   38  to the right of   32
163   39   to the left of   17
164   39          wearing   11
165   39  to the right of   13
166   39  to the right of    5

[167 rows x 3 columns]