What vehicle is it?
The vehicle is a train.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    6
2     1               of    6
3     1  to the right of   12
4     1  to the right of   13
5     3             near    6
6     3  to the right of    8
7     3  to the right of    6
8     4     hanging from    5
9     6             near    3
10    6        on top of    8
11    6  to the right of    9
12    6  to the right of    0
13    6  to the right of   11
14    6   to the left of    3
15    6  to the right of   14
16    7   to the left of   13
17    7   to the left of   12
18    7               of    6
19    8   to the left of    3
20    8  to the right of   14
21    8  to the right of    0
22    9   to the left of    6
23   11   to the left of    6
24   11               of   14
25   12               of    6
26   12  to the right of   13
27   12   to the left of    1
28   12  to the right of    7
29   13   to the left of    1
30   13   on the side of    6
31   13  to the right of    7
32   13   to the left of   12
33   14   to the left of    8
34   14    standing near    6
35   14          wearing    0
36   14       walking on   10
37   14   to the left of    6
38   14          wearing    9