Are there both cars and windows in the scene?
No, there is a window but no cars.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of    8
2     0   to the left of    2
3     2   to the left of    8
4     2  to the right of    0
5     2  to the right of    4
6     4   to the left of   11
7     4   to the left of    2
8     6               on   12
9     6   to the left of   10
10    7  to the right of    9
11    7   to the left of    8
12    7   to the left of   10
13    8  to the right of    0
14    8  to the right of    2
15    8  to the right of    7
16    8  to the right of   12
17    8      in front of   10
18    9   to the left of    7
19    9   to the left of   12
20   10  to the right of    7
21   10  to the right of   14
22   10  to the right of   12
23   10  to the right of    6
24   10           behind    8
25   11  to the right of   12
26   11  to the right of    4
27   12   to the left of   11
28   12   to the left of    8
29   12  to the right of    9
30   12   to the left of   10
31   14   to the left of   10
32   14  to the right of    0