Do you see a train to the right of the person that is standing on the platform?
Yes, there is a train to the right of the child.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of   17
2      0  to the right of    3
3      0  to the right of    1
4      0  to the right of   22
..   ...              ...  ...
117   25  to the right of   14
118   25               on   20
119   25  to the right of   21
120   25   to the left of   22
121   25  to the right of   15

[122 rows x 3 columns]