What color is the car?
The car is white.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of    4
2     1   to the left of   13
3     1   to the left of    5
4     1   to the left of   10
5     1   to the left of    0
6     1   to the left of   16
7     1   to the left of   18
8     3  to the right of    4
9     4   to the left of   18
10    4   to the left of   16
11    4   to the left of    0
12    4   to the left of   13
13    4   to the left of   11
14    4   to the left of   10
15    4   to the left of    3
16    4   to the left of    7
17    5  to the right of    1
18    7        riding on    0
19    7               in    9
20    7  to the right of    4
21   10  to the right of    1
22   10  to the right of    4
23   11  to the right of    4
24   11  to the right of   13
25   13  to the right of    4
26   13  to the right of    1
27   13   to the left of   11
28   16  to the right of    1
29   16  to the right of    4
30   18  to the right of    1
31   18  to the right of    4