Do you see both windows and cars in this photo?
No, there is a window but no cars.
     src        edge_attr  dst
0      0  on the front of   10
1      0   to the left of   10
2      0  to the right of    9
3      1      in front of    2
4      1   to the left of   10
..   ...              ...  ...
114   27   to the left of    2
115   27   to the left of   12
116   27   to the left of   11
117   27   to the left of   26
118   27   to the left of   14

[119 rows x 3 columns]