Which kind of animal is the fence behind of?
The fence is behind the horse.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of   15
2      0   to the left of   14
3      0   to the left of   13
4      0   to the left of    3
..   ...              ...  ...
113   28   to the left of   10
114   28   to the left of   27
115   29  to the right of    6
116   29   to the left of    9
117   29   to the left of    2

[118 rows x 3 columns]