Do you see any helmet there?
Yes, there is a helmet.
    src        edge_attr  dst
0     0          wearing   10
1     0          wearing   12
2     0          wearing   11
3     0               on    5
4     0   to the left of   18
5     0  to the right of    8
6     0   to the left of    6
7     0   to the left of   16
8     0   to the left of    9
9     1  to the right of    7
10    3  to the right of    8
11    3   to the left of   16
12    3   to the left of    9
13    3   to the left of   18
14    4          wearing    1
15    4               on    2
16    4          wearing   17
17    4          wearing    7
18    6          wearing    9
19    6               on    5
20    6  to the right of   10
21    6  to the right of    0
22    6   to the left of   13
23    6          wearing   18
24    7   to the left of    1
25    8   to the left of    3
26    8   to the left of    0
27    8   to the left of   11
28    8   to the left of   10
29    8   to the left of   19
30    8   to the left of   12
31    9  to the right of    0
32    9  to the right of    3
33    9  to the right of   10
34   10   to the left of   16
35   10   to the left of   18
36   10   to the left of    6
37   10  to the right of    8
38   10   to the left of    9
39   10  to the right of   11
40   10  to the right of   12
41   11   to the left of   10
42   11  to the right of    8
43   12   to the left of   10
44   12  to the right of    8
45   13               in    5
46   13  to the right of   18
47   13  to the right of    6
48   16  to the right of   10
49   16  to the right of    3
50   16  to the right of    0
51   18   to the left of   13
52   18  to the right of    0
53   18  to the right of   10
54   18  to the right of    3
55   19  to the right of    8