Is there a train or a door in the image?
Yes, there is a door.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of   11
2     0  to the right of    6
3     1  to the right of   11
4     1  to the right of    6
5     1   to the left of   12
6     2               on   13
7     4   to the left of   12
8     4   to the left of    8
9     4  to the right of    6
10    4   to the left of    9
11    4  to the right of   11
12    5               of    1
13    5  to the right of   11
14    5  to the right of    6
15    5   to the left of   12
16    6   to the left of    1
17    6   to the left of   10
18    6   to the left of   14
19    6   to the left of    4
20    6   to the left of    5
21    6   to the left of   11
22    6   to the left of    0
23    6   to the left of    7
24    7  to the right of    6
25    7   to the left of   12
26    7  to the right of   11
27    8  to the right of   13
28    8  to the right of   10
29    8  to the right of    4
30    9  to the right of   10
31    9  to the right of    4
32   10   to the left of    9
33   10   to the left of   12
34   10   to the left of    8
35   10  to the right of    6
36   10  to the right of   11
37   11   to the left of    0
38   11   to the left of    7
39   11   to the left of    4
40   11   to the left of    5
41   11  to the right of    6
42   11   to the left of   14
43   11   to the left of    1
44   11   to the left of   10
45   12  to the right of    0
46   12  to the right of    7
47   12  to the right of   10
48   12  to the right of    1
49   12  to the right of   14
50   12  to the right of    5
51   12  to the right of    4
52   12  to the right of   13
53   13   to the left of   12
54   13   to the left of    8
55   14   to the left of   12
56   14  to the right of   11
57   14  to the right of    6