Are there either any skateboarders or catchers?
No, there are no skateboarders or catchers.
     src        edge_attr  dst
0      0   to the left of   20
1      0   to the left of   37
2      0  to the right of   34
3      0   to the left of   15
4      0   to the left of    3
..   ...              ...  ...
442   37  to the right of   10
443   37  to the right of   12
444   37  to the right of    0
445   37  to the right of    1
446   37  to the right of    8

[447 rows x 3 columns]