Do you see a blue helmet there?
No, there is a helmet but it is black.
    src        edge_attr  dst
0     0  to the right of    6
1     0   on the side of   11
2     1  to the right of   18
3     3  to the right of    7
4     3  to the right of   19
5     5   to the left of   20
6     6          wearing   14
7     6        on top of    2
8     6       skating on   11
9     6        on top of   11
10    6            above    2
11    6          wearing   13
12    6        riding on    2
13    6               on    2
14    6   to the left of    0
15    7   to the left of    3
16    7   to the left of    8
17    7   to the left of   20
18    7   to the left of   19
19    7   to the left of   14
20    8  to the right of   14
21    8  to the right of    7
22    8  to the right of   19
23    9               by   11
24   10  to the right of   14
25   10  to the right of   13
26   12  to the right of   14
27   13   to the left of   10
28   14  to the right of    7
29   14   to the left of   12
30   14   to the left of    8
31   14   to the left of   10
32   15        on top of    2
33   15   to the left of   16
34   16        on top of    2
35   16  to the right of   15
36   16          worn on    6
37   18   to the left of    1
38   19   to the left of   20
39   19  to the right of    7
40   19   to the left of    3
41   19   to the left of    8
42   20  to the right of    7
43   20  to the right of    5
44   20        on top of    6
45   20  to the right of   19