Do you see a lamp near the wall?
No, there is a toilet near the wall.
    src        edge_attr  dst
0     0             near    2
1     0             near    1
2     0            below    1
3     1             near    0
4     1             near    2
5     1             near    3
6     1   to the left of    3
7     1   to the left of    2
8     1       sitting on    0
9     2             near    0
10    2             near    1
11    2               on    0
12    2             near    3
13    2  to the right of    1
14    3             near    2
15    3             near    1
16    3  to the right of    1