What color is the door made of wood?
The door is black.
    src        edge_attr  dst
0     0  to the right of    7
1     1  to the right of    2
2     1  to the right of   14
3     1   to the left of   11
4     2   to the left of   11
5     2   to the left of    1
6     3           behind   13
7     7   to the left of   13
8     7   on the side of    3
9     7   to the left of    0
10   11  on the front of   13
11   11  to the right of    1
12   11      in front of   13
13   11  to the right of    2
14   12        on top of    4
15   13  to the right of    7
16   13           behind   14
17   13             near   14
18   13      in front of    3
19   13           behind   11
20   14   to the left of    1
21   14      in front of   13
22   14             near   13