Which kind of vehicle is left of the bench?
The vehicle is a bus.
    src        edge_attr  dst
0     0   to the left of   14
1     1   to the left of   11
2     1  to the right of   14
3     1   to the left of    3
4     2   to the left of    5
5     2  to the right of    9
6     3   on the side of   13
7     3  to the right of   11
8     3  to the right of    1
9     4   to the left of   10
10    4  to the right of    9
11    5  to the right of    8
12    5  to the right of    2
13    6             near   10
14    6  to the right of   15
15    6  to the right of   13
16    8  to the right of    9
17    8   to the left of    5
18    9   to the left of   12
19    9   to the left of   14
20    9      in front of   13
21    9   to the left of    8
22    9   to the left of    4
23    9   to the left of   13
24    9   to the left of    2
25   10             near    6
26   10  to the right of    4
27   10  to the right of   14
28   10  to the right of   12
29   11  to the right of    1
30   11   on the side of   13
31   11  to the right of   14
32   11   to the left of    3
33   12  to the right of    9
34   12   to the left of   10
35   13  to the right of    9
36   13           behind    9
37   13   to the left of    6
38   14               of   13
39   14  to the right of    9
40   14   to the left of    1
41   14  to the right of    0
42   14   to the left of   11
43   14   to the left of   10
44   15   to the left of    6