Is there any train or door in this scene?
No, there are no doors or trains.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   13
2     0  to the right of    8
3     1  to the right of    4
4     2  to the right of    4
..  ...              ...  ...
63   18   to the left of    8
64   18   to the left of   16
65   18   to the left of    9
66   18   to the left of   14
67   19  to the right of   12

[68 rows x 3 columns]