Is there a horse in the metal cage?
No, there is a sheep in the cage.
    src        edge_attr  dst
0     1   to the left of    3
1     2   to the left of    9
2     2  to the right of   16
3     2   to the left of   12
4     2   to the left of   11
..  ...              ...  ...
82   18   to the left of    9
83   18   to the left of   12
84   18   to the left of   11
85   18  to the right of    8
86   18  to the right of   17

[87 rows x 3 columns]