What kind of furniture is dark?
The furniture is a desk.
    src        edge_attr  dst
0     0   to the left of   23
1     0  to the right of   21
2     2  to the right of    6
3     2               on    3
4     3  to the right of   21
..  ...              ...  ...
78   24  to the right of   21
79   24   to the left of   16
80   24               on    8
81   24   to the left of    4
82   25   to the left of   13

[83 rows x 3 columns]