Of what color is the curtain?
The curtain is white.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of    9
2     0  to the right of   12
3     2   to the left of    4
4     2               on    8
5     4  to the right of    2
6     5               of    8
7     6               on    8
8     6   to the left of   13
9     7  to the right of    0
10    7  to the right of    9
11    7               on    8
12    7  to the right of   12
13    9   to the left of    7
14    9  to the right of   12
15    9   to the left of    0
16    9   to the left of   11
17   10   to the left of   11
18   11  to the right of    9
19   11  to the right of   10
20   11               on    8
21   12   to the left of    9
22   12   to the left of    7
23   12   to the left of    0
24   12               on    8
25   13  to the right of    6
26   14               of    8