Are the cars on the left or on the right?
The cars are on the right of the image.
    src        edge_attr  dst
0     0   to the left of   13
1     0  to the right of   12
2     0   to the left of   15
3     1   to the left of    3
4     1  to the right of   13
5     2  to the right of   12
6     2  to the right of   11
7     2   to the left of   15
8     2   to the left of   13
9     3               on    2
10    3  to the right of    1
11    4   to the left of    5
12    4   to the left of   14
13    5   to the left of   10
14    5   to the left of    9
15    5  to the right of    4
16    8  to the right of   10
17    8  to the right of    9
18    9  to the right of    5
19    9   to the left of   10
20    9  to the right of   14
21    9   to the left of    8
22    9  to the right of   16
23   10   to the left of    8
24   10  to the right of   14
25   10  to the right of    5
26   10  to the right of   16
27   10  to the right of    9
28   11   to the left of    2
29   12         watching    0
30   12   to the left of    2
31   12   to the left of    0
32   13   to the left of    1
33   13  to the right of    2
34   13  to the right of    0
35   13           riding   15
36   14  to the right of    4
37   14   to the left of    9
38   14   to the left of   10
39   15  to the right of    0
40   15  to the right of    2
41   16   to the left of    9
42   16   to the left of   10