Are there both horses and fences?
No, there is a horse but no fences.
     src        edge_attr  dst
0      0  to the right of   12
1      0  to the right of    1
2      0  to the right of   21
3      1  to the right of    8
4      1  to the right of    5
..   ...              ...  ...
123   25  to the right of   20
124   25  to the right of   19
125   25  to the right of   24
126   25  to the right of    2
127   25  to the right of    5

[128 rows x 3 columns]