Are there either windows or doors that are not black?
No, there are windows but they are black.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of   13
2     0  to the right of   12
3     0  to the right of    6
4     0  to the right of   14
5     0  to the right of   11
6     0  to the right of   10
7     1  to the right of    6
8     1   to the left of    7
9     2  to the right of    8
10    2  to the right of    6
11    2             near    6
12    2               on    0
13    2               in    0
14    3             near    6
15    3               on    0
16    3               in    0
17    4               on    6
18    4   to the left of    0
19    4   to the left of    8
20    5      swimming in    0
21    5               in    0
22    6   to the left of    1
23    6   to the left of    2
24    6             near    2
25    6             near    3
26    6   to the left of    9
27    6   to the left of    0
28    7  to the right of    9
29    7  to the right of    1
30    8   to the left of    2
31    8  to the right of   14
32    8  to the right of   12
33    8  to the right of    4
34    9  to the right of    6
35    9   to the left of    7
36   10               on    6
37   10   to the left of    0
38   11   to the left of    0
39   11   to the left of   13
40   11               on    6
41   12               on    6
42   12   to the left of    0
43   12   to the left of    8
44   13               on    6
45   13   to the left of    0
46   13  to the right of   11
47   14   to the left of    0
48   14               on    6
49   14   to the left of    8