Is the large animal behind or in front of the fence?
The elephant is in front of the fence.
    src        edge_attr  dst
0     0           behind   23
1     1           behind   12
2     1   to the left of    5
3     1   to the left of    4
4     1   to the left of   23
..  ...              ...  ...
81   23      in front of    2
82   23  to the right of    1
83   23      in front of    0
84   23         carrying   12
85   23  to the right of    6

[86 rows x 3 columns]