Who is wearing a helmet?
The boy is wearing a helmet.
   src        edge_attr  dst
0    5  to the right of    6
1    6   to the left of    5
2    6   to the left of   11
3    7   to the left of   11
4    8  to the right of   10
5    9          wearing    0
6    9          wearing    4
7   10   to the left of    8
8   11  to the right of    7
9   11  to the right of    6