What is the train in front of?
The train is in front of the chimney.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of    3
2     0  to the right of   11
3     0  to the right of   14
4     0  to the right of    7
5     0  to the right of    1
6     0           behind    3
7     1           behind    3
8     1   to the left of    0
9     1   to the left of   11
10    1  to the right of   14
11    3      in front of    1
12    3      in front of   14
13    3      in front of   11
14    3      in front of    0
15    3   to the left of    5
16    3   to the left of   11
17    3   to the left of    0
18    3   to the left of    7
19    5  to the right of    7
20    5  to the right of    3
21    7   to the left of    0
22    7  to the right of    3
23    7   to the left of    5
24    7  to the right of   12
25    7  to the right of   14
26    8        on top of    9
27    8               on    9
28   10               on    9
29   11  to the right of    3
30   11  to the right of   14
31   11   to the left of    0
32   11  to the right of   12
33   11  to the right of    1
34   11           behind    3
35   12  to the right of   14
36   12   to the left of    0
37   12   to the left of   11
38   12   to the left of    7
39   14           behind    3
40   14   to the left of   11
41   14   to the left of    0
42   14   to the left of    7
43   14   to the left of   12
44   14   to the left of    1