The elephants are where?
The elephants are on the water.
   src edge_attr  dst
0    0     above    4
1    1        in    3
2    1      near    2
3    2      near    4
4    2        in    3
5    2        on    3
6    2      near    1
7    3      near    4
8    4      near    3
9    4      near    2