What kind of vehicle is to the left of the orange?
The vehicle is a truck.
    src        edge_attr  dst
0     2  to the right of   12
1     3   to the left of   18
2     3  to the right of    7
3     3   to the left of    5
4     3   to the left of   17
5     3   to the left of   10
6     5  to the right of    3
7     5  to the right of   15
8     7   to the left of   17
9     7   to the left of   15
10    7   to the left of   10
11    7   to the left of    3
12    8  to the right of   12
13    9   to the left of   16
14   10  to the right of    3
15   10  to the right of    7
16   10  to the right of   15
17   12               by   11
18   12   to the left of    8
19   12   to the left of    2
20   15  to the right of    7
21   15   to the left of   10
22   15   to the left of    5
23   16  to the right of    9
24   17  to the right of    3
25   17   to the left of   18
26   17  to the right of    7
27   18  to the right of    3
28   18  to the right of   17