Do the wall and the lamp have the same color?
No, the wall is blue and the lamp is white.
    src        edge_attr  dst
0     0             near    2
1     1             near    4
2     1       sitting on    0
3     1               on    0
4     1   to the left of    4
5     2             near    0
6     2               on    3
7     4        on top of    0
8     4               on    0
9     4  to the right of    1
10    4             near    1