Who is wearing a helmet?
The boy is wearing a helmet.
    src        edge_attr  dst
0     0         watching    3
1     0   to the left of    6
2     1   to the left of    6
3     1  to the right of   13
4     6  to the right of   11
5     6  to the right of    1
6     6  to the right of    0
7     7   to the left of   13
8     8   to the left of   10
9     8   to the left of   16
10    8   to the left of   15
11    8   to the left of   17
12   10  to the right of    8
13   10   to the left of   15
14   11  to the right of   13
15   11   to the left of    6
16   13  to the right of    7
17   13   to the left of    1
18   13   to the left of   11
19   15  to the right of   10
20   15  to the right of    8
21   16  to the right of    8
22   17          wearing   12
23   17          wearing    5
24   17          hitting    1
25   17          wearing    4
26   17          wearing   16
27   17  to the right of    8
28   17          wearing   13
29   17          wearing   11
30   17          wearing   15