Is there either a fence or a helmet in the picture?
Yes, there is a helmet.
     src        edge_attr  dst
0      0  to the right of   13
1      0  to the right of   42
2      0  to the right of   41
3      1  to the right of   38
4      1  to the right of    4
..   ...              ...  ...
307   45  to the right of   41
308   45  to the right of   42
309   46   to the left of    2
310   46   to the left of   34
311   46   to the left of    3

[312 rows x 3 columns]