Is there a zebra in the pen that the fence is around of?
Yes, there is a zebra in the pen.
    src        edge_attr  dst
0     0            above    9
1     0               on   10
2     1             near    6
3     1             near    3
4     1          next to    6
..  ...              ...  ...
82   21  to the right of    2
83   21  to the right of    6
84   21  to the right of    9
85   21  to the right of   14
86   21  to the right of   19

[87 rows x 3 columns]