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