How tall is the fence to the left of the animal?
The fence is short.
    src        edge_attr  dst
0     0  to the right of   19
1     0   to the left of   13
2     0  to the right of   14
3     0  to the right of   20
4     0  to the right of    6
..  ...              ...  ...
71   22  to the right of   14
72   23   to the left of   15
73   23   to the left of   10
74   23   to the left of    9
75   23   to the left of    3

[76 rows x 3 columns]