Who is wearing the helmet?
The skateboarder is wearing a helmet.
    src        edge_attr  dst
0     1          holding    8
1     1               in   10
2     1        on top of    8
3     1          wearing    5
4     1      in front of    3
5     1      in front of    7
6     1               on    8
7     2  to the right of    7
8     2   to the left of    3
9     3  to the right of    2
10    3  to the right of   10
11    3           behind    1
12    5  to the right of    7
13    7   to the left of    5
14    7   to the left of    2
15    7           behind    1
16   10   to the left of    3