Is there a train by the platform?
Yes, there is a train by the platform.
    src        edge_attr  dst
0     0            below    2
1     0  to the right of    1
2     1          next to    2
3     1             near    2
4     1      in front of    2
5     1   to the left of    0
6     2           behind    1
7     2             near    1
8     2               by    1
9     3   to the left of    8
10    4           inside    2
11    4  to the right of    6
12    5   to the left of    9
13    6   to the left of    4
14    6   to the left of    9
15    7  to the right of    8
16    8               on    1
17    8  to the right of    3
18    8   to the left of    7
19    9  to the right of    5
20    9  to the right of    6