Of what color is the blanket on the bed?
The blanket is gray.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   11
2     1  to the right of    8
3     2  to the right of    6
4     2  to the right of   16
5     2  to the right of    8
6     2               on   12
7     3           around   15
8     3  to the right of   14
9     3   to the left of   13
10    4   to the left of   17
11    6   to the left of    2
12    8   to the left of    1
13    8   to the left of    2
14    9   to the left of   19
15   11   to the left of   13
16   11  to the right of   14
17   11  to the right of    0
18   13  to the right of   11
19   13  to the right of   15
20   13  to the right of    3
21   14   to the left of   11
22   14   to the left of   20
23   14   to the left of    3
24   14   to the left of   15
25   15  to the right of    0
26   15  to the right of   14
27   15   to the left of   13
28   16   to the left of    2
29   17  to the right of    4
30   18            under   20
31   18            below   20
32   19  to the right of    9
33   19  to the right of   20
34   20   to the left of   19
35   20         lying on   18
36   20               on   19
37   20  to the right of   14