Are there any sheep to the right of the fence on the right?
No, the sheep is to the left of the fence.
     src        edge_attr  dst
0      0  to the right of   24
1      0   to the left of   20
2      1  to the right of   18
3      1          pulling    3
4      1   to the left of    9
..   ...              ...  ...
100   28   to the left of   10
101   29   to the left of   12
102   29   to the left of   21
103   30   to the left of   10
104   30   to the left of   22

[105 rows x 3 columns]