What is the vehicle in the street?
The vehicle is a van.
    src        edge_attr  dst
0     1  to the right of    5
1     1  to the right of   10
2     1  to the right of    7
3     1  to the right of    4
4     1   to the left of    2
5     1  to the right of    6
6     1               in    0
7     2  to the right of    4
8     2  to the right of    1
9     2               in    0
10    3               in    0
11    3  to the right of   13
12    3  to the right of   10
13    4               in    0
14    4   to the left of    2
15    4   to the left of    1
16    4   to the left of    7
17    4   to the left of    5
18    4  to the right of   10
19    5               in    0
20    5   to the left of    1
21    5  to the right of    6
22    5  to the right of    4
23    5  to the right of   10
24    5  to the right of    7
25    6               in    0
26    6   to the left of    1
27    6   to the left of    5
28    6   to the left of    7
29    6  to the right of   10
30    6  to the right of   13
31    7  to the right of    6
32    7  to the right of   10
33    7               in    0
34    7   to the left of    1
35    7  to the right of    4
36    7   to the left of    5
37    8  to the right of   12
38    8   to the left of   11
39    9   to the left of   13
40   10               in    0
41   10   to the left of    1
42   10   to the left of    6
43   10   to the left of    5
44   10   to the left of    4
45   10   to the left of    3
46   10   to the left of    7
47   11  to the right of    8
48   12   to the left of    8
49   13   to the left of    6
50   13  to the right of    9
51   13   to the left of    3