Who is wearing a helmet?
The jockey is wearing a helmet.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of    1
2     1   to the left of    0
3     1   to the left of   11
4     3  to the right of    6
5     5  to the right of   13
6     6   to the left of    8
7     6   to the left of    3
8     7   to the left of    8
9     7   to the left of    9
10    7   to the left of   10
11    8   to the left of    9
12    8   to the left of   10
13    8  to the right of    7
14    8  to the right of    6
15    9  to the right of    8
16    9  to the right of    7
17   10  to the right of    7
18   10  to the right of    8
19   11  to the right of    0
20   11  to the right of    1
21   11  to the right of   16
22   11  to the right of   18
23   13   to the left of    5
24   14       walking on    2
25   14               on   12
26   14               on    2
27   16   to the left of   11
28   18   to the left of   11
29   18          wearing   17
30   18           riding   14
31   18          wearing   16
32   18               on   14