What kind of vehicle is it?
The vehicle is a truck.
    src        edge_attr  dst
0     0               at    3
1     0               on   10
2     1  to the right of    9
3     1   to the left of    6
4     4  to the right of    5
5     5   to the left of    4
6     6  to the right of    8
7     6  to the right of    1
8     6  to the right of    9
9     8   to the left of    6
10    9               of    8
11    9   to the left of    6
12    9   to the left of    1