Who is wearing the helmet?
The boy is wearing a helmet.
     src        edge_attr  dst
0      0   to the left of    4
1      0   to the left of    7
2      0  to the right of    2
3      1   to the left of    8
4      1   to the left of   10
..   ...              ...  ...
98    27   to the left of   23
99    28   to the left of   14
100   28   to the left of    7
101   29   to the left of    7
102   29   to the left of   10

[103 rows x 3 columns]