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