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