Which kind of vehicle is parked?
The vehicle is a truck.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    2
2     0  to the right of    8
3     0   to the left of    6
4     1  to the right of    4
5     2   to the left of   13
6     2  to the right of    8
7     2   to the left of    0
8     2   to the left of   15
9     2   to the left of    6
10    2   to the left of    3
11    3          wearing    1
12    3  to the right of    4
13    3  to the right of    2
14    3          wearing    0
15    3  to the right of    8
16    4   to the left of    0
17    4   to the left of    1
18    4   to the left of    3
19    5  to the right of   11
20    6  to the right of    0
21    6  to the right of    2
22    6  to the right of    8
23    7             near   10
24    8   to the left of    3
25    8   to the left of    6
26    8   to the left of    0
27    8   to the left of    2
28   10             near    7
29   10  to the right of   11
30   11           beside   14
31   11   to the left of    5
32   11   to the left of   10
33   12               in   11
34   12   to the left of   13
35   13  to the right of   12
36   13  to the right of    2
37   15  to the right of    2