What kind of animal is in the water?
The animals are elephants.
   src edge_attr  dst
0    0        of    5
1    3     above    4
2    3     above    6
3    4      near    6
4    5      near    6
5    5        on    4
6    5        in    4
7    5        in    1
8    6      near    4
9    6      near    5