What is before the building?
The train is in front of the building.
     src        edge_attr  dst
0      0   to the left of   13
1      0  to the right of    1
2      0  to the right of   22
3      0  to the right of   17
4      1   to the left of   13
..   ...              ...  ...
113   24           behind   15
114   24  to the right of   22
115   24  to the right of   17
116   24  to the right of   10
117   24             near   23

[118 rows x 3 columns]