Is the white wall behind a bed?
Yes, the wall is behind a bed.
    src        edge_attr  dst
0     0               on    9
1     0             near   13
2     0          next to   13
3     0   to the left of    6
4     0  to the right of    4
5     0           beside   13
6     2           behind   13
7     2  to the right of    5
8     3             near   13
9     3      in front of    5
10    3           beside   13
11    3          next to   13
12    4   to the left of    6
13    4           behind    7
14    4               on    9
15    4   to the left of    0
16    5   to the left of    2
17    5   to the left of    8
18    5           behind    3
19    6             near    7
20    6               on    9
21    6  to the right of    0
22    6  to the right of    4
23    7      in front of    4
24    7               on    9
25    7  to the right of    8
26    7             near    6
27    8   to the left of    7
28    8  to the right of    5
29    8   to the left of   14
30    9             near   13
31    9          next to   13
32    9  to the right of   11
33   10               on    9
34   10               by   13
35   11   to the left of    9
36   12               on   13
37   13             near    9
38   13             near    3
39   13      in front of    2
40   13             near    0
41   14  to the right of    8