Is the car on the road black or white?
The car is white.
    src        edge_attr  dst
0     0  to the right of   17
1     0               on    1
2     2  to the right of    3
3     2  to the right of    7
4     2   to the left of   11
5     2  to the right of    9
6     3   to the left of   14
7     3   to the left of    6
8     3   to the left of   16
9     3   to the left of   13
10    3   to the left of    7
11    3   to the left of    2
12    5  to the right of   17
13    6               on    1
14    6  to the right of    3
15    7  to the right of    3
16    7   to the left of    2
17    7   to the left of   16
18    7   to the left of   13
19    8               on   10
20    9   to the left of    2
21    9   to the left of   13
22   11  to the right of   13
23   11  to the right of   14
24   11  to the right of    2
25   12  to the right of   17
26   13  to the right of    7
27   13  to the right of    3
28   13   to the left of   16
29   13   to the left of   11
30   13  to the right of    9
31   14   to the left of   11
32   14  to the right of    3
33   15               on    1
34   16  to the right of    7
35   16  to the right of   13
36   16  to the right of    3
37   17   to the left of    5
38   17   to the left of   12
39   17   to the left of    0