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