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