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