What vehicle is driving down the street?
The vehicle is a bus.
    src        edge_attr  dst
0     0  to the right of    7
1     1      in front of    5
2     1   to the left of    4
3     1   to the left of    8
4     1  to the right of    7
5     2  to the right of    7
6     3  to the right of    7
7     3   on the side of    5
8     4  on the front of    8
9     4  to the right of    7
10    4  to the right of    1
11    4  to the right of   12
12    5           behind   12
13    5   to the left of    8
14    5           behind    1
15    5   to the left of   11
16    6  to the right of    8
17    7   to the left of    1
18    7   to the left of    0
19    7   to the left of    3
20    7   to the left of    2
21    7   to the left of    8
22    7   to the left of    4
23    7   to the left of   12
24    7   to the left of   10
25    8  to the right of    1
26    8  to the right of    5
27    8   to the left of    6
28    8  to the right of    7
29    8  to the right of   12
30    8       running on    9
31    8     driving down    9
32   10   on the side of    5
33   10  to the right of    7
34   11  to the right of    5
35   12  to the right of    7
36   12   to the left of    8
37   12      in front of    5
38   12   to the left of    4