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