Who is wearing the helmets?
The people are wearing helmets.
    src        edge_attr  dst
0     1  to the right of   10
1     1  to the right of    8
2     1  to the right of   11
3     2   to the left of   13
4     2   to the left of   16
5     2   to the left of   11
6     3   to the left of   11
7     3   to the left of   13
8     3   to the left of   16
9     5  to the right of    6
10    6  to the right of   16
11    6  to the right of   11
12    6  to the right of   12
13    6   to the left of    5
14    7          wearing    9
15    8               on    4
16    8   to the left of   15
17    8   to the left of    1
18    8   to the left of   14
19    9  to the right of   17
20   10   to the left of    1
21   10   to the left of   14
22   10   to the left of   15
23   11   to the left of   14
24   11   to the left of   15
25   11  to the right of    2
26   11   to the left of    1
27   11  to the right of    3
28   11   to the left of   17
29   11   to the left of    6
30   12   to the left of    6
31   13  to the right of    3
32   13  to the right of    2
33   13               in    6
34   14  to the right of    8
35   14  to the right of   10
36   14  to the right of   11
37   15               in   14
38   15  to the right of   10
39   15  to the right of    8
40   15  to the right of   11
41   16  to the right of    2
42   16   to the left of   17
43   16  to the right of    3
44   16   to the left of    6
45   17  to the right of   16
46   17   to the left of    9
47   17  to the right of   11