Are there either helmets or bicycles in the picture?
Yes, there is a helmet.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of   10
2     1   to the left of    0
3     1   to the left of   17
4     1   to the left of   18
5     2   to the left of   15
6     2   to the left of    7
7     2   to the left of   14
8     3   to the left of   15
9     3   to the left of   14
10    3   to the left of    7
11    5  to the right of   15
12    5  to the right of   14
13    5  to the right of    6
14    6  to the right of   15
15    6   to the left of    5
16    7  to the right of   17
17    7  to the right of    2
18    7  to the right of    3
19    8   to the left of   19
20   10   to the left of    0
21   12   to the left of   19
22   13  to the right of   15
23   14  to the right of    2
24   14   to the left of    5
25   14  to the right of    3
26   15   to the left of   13
27   15   to the left of    6
28   15  to the right of    2
29   15   to the left of    5
30   15  to the right of    3
31   15  to the right of   17
32   16               on   20
33   17  to the right of    1
34   17   to the left of    7
35   17   to the left of   15
36   18  to the right of    1
37   18               in   11
38   19  to the right of    8
39   19  to the right of   12