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