What vehicle is parked on the grass?
The vehicle is a bus.
    src        edge_attr  dst
0     0           inside    5
1     0  to the right of    3
2     1   to the left of    4
3     1               of    5
4     1   to the left of   10
5     1  to the right of    8
6     1  to the right of    7
7     1   to the left of   15
8     3               of    5
9     3   to the left of   13
10    3   to the left of    0
11    4  to the right of    1
12    4  to the right of    9
13    4   to the left of   10
14    4  to the right of    7
15    5        parked on   12
16    6       going into    5
17    6   to the left of   16
18    6   to the left of   11
19    7               of    5
20    7  to the right of    8
21    7   to the left of    1
22    7   to the left of    4
23    7  to the right of   13
24    7   to the left of   15
25    8               of    5
26    8   to the left of    1
27    8   to the left of    7
28    8  to the right of   13
29    9   to the left of   15
30    9  to the right of   13
31    9  to the right of   11
32    9   to the left of    4
33    9   to the left of   14
34   10  to the right of    4
35   10               of    5
36   10  to the right of   15
37   10  to the right of    1
38   11  to the right of   16
39   11  to the right of    6
40   11  to the right of   13
41   11   to the left of    9
42   13  to the right of    3
43   13   to the left of    9
44   13   to the left of    7
45   13   to the left of    8
46   13   to the left of   16
47   13   to the left of   11
48   14  to the right of    9
49   15  to the right of    1
50   15   to the left of   10
51   15  to the right of    7
52   15  to the right of    9
53   16  to the right of    6
54   16  to the right of   13
55   16   to the left of   11