Is there a lamp in this picture that is not black?
Yes, there is a white lamp.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    7
2     1  to the right of    9
3     6  to the right of    0
4     6   to the left of   13
5     6   to the left of    9
6     6  to the right of    7
7     7  to the right of    0
8     7   to the left of   12
9     7   to the left of    6
10    8               on    4
11    9   to the left of    1
12    9   to the left of   10
13    9  to the right of    6
14   10  to the right of    9
15   12  to the right of    7
16   13  to the right of    6