Are any helmets visible in this picture?
Yes, there is a helmet.
    src        edge_attr  dst
0     2  to the right of   15
1     3           behind    5
2     4   to the left of   16
3     4   to the left of    6
4     4   to the left of    8
5     4   to the left of    5
6     5      in front of    3
7     5          wearing   11
8     5               on   14
9     5  to the right of    4
10    5  to the right of   16
11    5  to the right of   15
12    6  to the right of   16
13    6  to the right of   15
14    6  to the right of    4
15    8  to the right of    4
16    8  to the right of   15
17    8  to the right of   16
18   10   to the left of   12
19   11  to the right of   15
20   12  to the right of   10
21   15               of   14
22   15   to the left of    8
23   15   to the left of   11
24   15   to the left of    6
25   15   to the left of    5
26   15   to the left of    2
27   16   to the left of    8
28   16   to the left of    5
29   16   to the left of    6
30   16  to the right of    4