What is the piece of furniture that is on the wall?
The piece of furniture is a bookshelf.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of   15
2     0  to the right of    7
3     0  to the right of    4
4     0  to the right of   16
..  ...              ...  ...
79   18  to the right of   17
80   18           behind    6
81   19   to the left of   18
82   19   to the left of   15
83   19               of    7

[84 rows x 3 columns]