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