What vehicle is on top of the road the person is crossing?
The vehicle is a car.
    src        edge_attr  dst
0     0  to the right of    1
1     0   to the left of   12
2     0   to the left of    8
3     0        on top of   14
4     1   to the left of   15
5     1   to the left of   10
6     1   to the left of    0
7     1        on top of   14
8     2  to the right of   12
9     2   on the side of    5
10    2  to the right of    7
11    3   to the left of   12
12    3   to the left of    7
13    3  to the right of    9
14    3  to the right of   10
15    3  to the right of    6
16    5  to the right of    9
17    6   to the left of    3
18    7   to the left of    2
19    7  to the right of    3
20    8  to the right of   10
21    8  to the right of   15
22    8  to the right of    0
23    9   to the left of    3
24    9   to the left of    5
25   10   to the left of    8
26   10         crossing   14
27   10          wearing   15
28   10          wearing   11
29   10   to the left of   12
30   10   to the left of    3
31   10  to the right of    1
32   11   to the left of   12
33   12   to the left of    2
34   12  to the right of    3
35   12          wearing    8
36   12  to the right of   11
37   12  to the right of   10
38   12  to the right of    0
39   12          wearing    7
40   12  to the right of   15
41   12         crossing   14
42   12        on top of   14
43   15  to the right of    1
44   15   to the left of   12
45   15   to the left of    8