Are there both motorbikes and helmets in this image?
No, there is a helmet but no motorcycles.
    src        edge_attr  dst
0     0  to the right of   11
1     3  to the right of   13
2     3  to the right of   14
3     4  to the right of   15
4     4  to the right of    9
5     4   to the left of   10
6     4   to the left of    7
7     4   to the left of   20
8     4  to the right of   17
9     5   to the left of    9
10    5  to the right of   14
11    5  to the right of   13
12    6  to the right of   18
13    6   to the left of   19
14    7  to the right of    4
15    7   to the left of   20
16    9  to the right of    5
17    9  to the right of   15
18    9   to the left of    4
19    9  to the right of   13
20    9  to the right of   16
21    9  to the right of   17
22    9  to the right of   14
23   10  to the right of    4
24   10   to the left of   20
25   11   to the left of    0
26   13   to the left of    3
27   13   to the left of   14
28   13   to the left of    5
29   13   to the left of    9
30   14   to the left of    5
31   14   to the left of    9
32   14   to the left of    3
33   14   to the left of   17
34   14  to the right of   13
35   15   to the left of    4
36   15   to the left of    9
37   15   to the left of   17
38   15   to the left of   16
39   16  to the right of   15
40   16   to the left of    9
41   17   to the left of    9
42   17  to the right of   15
43   17  to the right of   14
44   17   to the left of    4
45   18   to the left of    6
46   19  to the right of    6
47   20  to the right of    4
48   20  to the right of    7
49   20  to the right of   10