Are there motorcycles to the left of the gray helmet?
Yes, there is a motorcycle to the left of the helmet.
    src        edge_attr  dst
0     1  to the right of   14
1     1  to the right of   12
2     1  to the right of    2
3     1  to the right of    5
4     1  to the right of    7
5     1  to the right of    4
6     2   to the left of    1
7     3   to the left of    8
8     4   to the left of   15
9     4   to the left of    1
10    4   to the left of    5
11    4   to the left of   14
12    4   to the left of    7
13    5  to the right of    4
14    5   to the left of    1
15    5  to the right of   14
16    7   to the left of    1
17    7  to the right of    4
18    7  to the right of   10
19    7               on   12
20    8  to the right of    3
21    9   to the left of   10
22    9   to the left of   11
23    9   to the left of   12
24    9   to the left of   13
25    9   to the left of   15
26   10   to the left of   15
27   10   to the left of    7
28   10  to the right of    9
29   11  to the right of    9
30   11               on   12
31   12  to the right of    9
32   12   to the left of    1
33   13           riding   12
34   13  to the right of    9
35   14   to the left of    5
36   14  to the right of    4
37   14   to the left of    1
38   15  to the right of    4
39   15  to the right of   10
40   15  to the right of    9