Are both these animals zebras?
No, they are zebras and cows.
    src        edge_attr  dst
0     0  to the right of    7
1     0   to the left of    8
2     0   to the left of   16
3     1               in    3
4     2   to the left of    5
..  ...              ...  ...
80   18  to the right of    6
81   18  to the right of    8
82   18  to the right of    5
83   18  to the right of   13
84   18  to the right of   14

[85 rows x 3 columns]