Is there a zebra in the dry field?
Yes, there are zebras in the field.
   src        edge_attr  dst
0    2           behind    8
1    2               in    9
2    2   to the left of    5
3    5               in    9
4    5  to the right of    2
5    6               in    9
6    7               by    8
7    7      in front of    9
8    8      in front of    2
9   10           eating    7