That door is of what color?
The door is white.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   17
2     1   to the left of   15
3     1   to the left of    7
4     3   to the left of   15
5     3   to the left of    7
6     4   to the left of    7
7     4   to the left of   15
8     5   to the left of   15
9     5   to the left of   17
10    7  to the right of    3
11    7  to the right of    1
12    7   to the left of   16
13    7   to the left of   14
14    7   to the left of   10
15    7  to the right of    4
16    7  to the right of   12
17    9   to the left of   10
18   10  to the right of    7
19   10  to the right of    9
20   10  to the right of   11
21   10  to the right of   15
22   11   to the left of   10
23   12   to the left of   15
24   12   to the left of    7
25   14  to the right of   15
26   14  to the right of    7
27   15   to the left of   10
28   15  to the right of   12
29   15   to the left of   14
30   15  to the right of    4
31   15  to the right of    5
32   15  to the right of    3
33   15  to the right of    1
34   15  to the right of    0
35   15               in    2
36   15   to the left of   16
37   16  to the right of    7
38   16  to the right of   15
39   17  to the right of    5
40   17  to the right of    0