How is the vehicle to the right of the van called?
The vehicle is a truck.
    src        edge_attr  dst
0     0   on the side of   12
1     0   to the left of    9
2     1   to the left of    2
3     1   to the left of    5
4     1   to the left of    6
5     2   to the left of   14
6     2  to the right of    1
7     3  to the right of    8
8     3  to the right of   12
9     3   to the left of    4
10    3   to the left of   13
11    4  to the right of   12
12    4        on top of   11
13    4   to the left of   13
14    4  to the right of    3
15    5  to the right of    1
16    5   to the left of   14
17    6  to the right of    1
18    6   to the left of   14
19    8  to the right of    9
20    8   to the left of    3
21    8   to the left of   13
22    9  to the right of    0
23    9   on the back of   12
24    9   to the left of   10
25    9   to the left of    8
26   10   on the side of   12
27   10  to the right of    9
28   12   to the left of    3
29   12        on top of   11
30   12   to the left of    4
31   13  to the right of    8
32   13  to the right of    3
33   13  to the right of    4
34   14  to the right of    5
35   14  to the right of    2
36   14  to the right of    6