Are there both a helmet and a horse?
No, there is a horse but no helmets.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   19
2     0   to the left of   13
3     0  to the right of    1
4     1   to the left of   13
..  ...              ...  ...
64   21   to the left of   10
65   23   to the left of    4
66   23   to the left of   10
67   23   to the left of    3
68   23   to the left of    1

[69 rows x 3 columns]