Are there both windows and cars in the scene?
Yes, there are both windows and a car.
     src        edge_attr  dst
0      0   to the left of   20
1      0   to the left of   26
2      0   to the left of    6
3      0  to the right of    5
4      0   to the left of   11
..   ...              ...  ...
150   29   to the left of    6
151   29  to the right of   17
152   30  to the right of    4
153   30  to the right of    8
154   30  to the right of    5

[155 rows x 3 columns]