Are there either cars or windows that are gray?
Yes, the window is gray.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    8
2     0  to the right of   14
3     0   to the left of    5
4     1  to the right of    9
5     2   to the left of    8
6     2   to the left of    3
7     3  to the right of    2
8     4            above   13
9     5  to the right of    0
10    5   to the left of    8
11    5   to the left of    7
12    6   to the left of    8
13    6  to the right of   12
14    7  to the right of    0
15    7  to the right of    5
16    8  to the right of    0
17    8  to the right of   12
18    8  to the right of    5
19    8  to the right of    2
20    8  to the right of   15
21    8  to the right of   11
22    8  to the right of    6
23    9   to the left of    1
24   10               in    4
25   10   to the left of   15
26   10   to the left of   12
27   11   to the left of    8
28   11               on   13
29   11  to the right of   12
30   12   to the left of   11
31   12  to the right of   10
32   12   to the left of    6
33   12       growing on   13
34   12   to the left of    8
35   14   to the left of    0
36   14   to the left of   15
37   15  to the right of   14
38   15  to the right of   10
39   15   to the left of    8