What vehicle is parked on the street?
The vehicle is a bus.
    src        edge_attr  dst
0     0           behind    5
1     0           behind   14
2     0           behind   15
3     1  to the right of   18
4     1  to the right of   11
5     2  to the right of   15
6     2   to the left of   18
7     4   to the left of   11
8     5      in front of    0
9     5             near   18
10    5   to the left of   14
11    5  to the right of   15
12    5        parked on    9
13    6  to the right of    7
14    6  to the right of   18
15    7  to the right of   16
16    7   to the left of   18
17    7  to the right of   10
18    7   to the left of    6
19    7  to the right of   12
20    8  to the right of   18
21    8   to the left of   14
22   10   to the left of    7
23   11   to the left of    1
24   11  to the right of   13
25   11  to the right of    4
26   12   to the left of    7
27   13   to the left of   11
28   14      in front of    0
29   14  to the right of    8
30   14  to the right of    5
31   14  to the right of   18
32   15      in front of    0
33   15   to the left of    2
34   15   to the left of    5
35   16   to the left of    7
36   18   to the left of    1
37   18   to the left of   14
38   18   to the left of    8
39   18  to the right of    2
40   18   to the left of    6
41   18  to the right of    7
42   18             near    5
43   18          next to    5