What kind of furniture is not dark?
The furniture is drawers.
    src        edge_attr  dst
0     0   to the left of   10
1     1               on    6
2     1  to the right of    8
3     1  to the right of   16
4     1   to the left of    3
..  ...              ...  ...
69   16   to the left of    6
70   16   to the left of    3
71   16  to the right of   13
72   16   to the left of    4
73   16   to the left of   11

[74 rows x 3 columns]