What color is the lamp?
The lamp is black.
    src        edge_attr  dst
0     0  to the right of    5
1     0             near    5
2     1   to the left of    9
3     1   to the left of    8
4     2   to the left of    4
5     4  to the right of    2
6     5   to the left of    0
7     5          next to    0
8     6  to the right of   10
9     8  to the right of    1
10    9  to the right of    1
11   10   to the left of    6