Which kind of furniture is the lamp on?
The lamp is on the shelf.
    src        edge_attr  dst
0     0  to the right of   16
1     0   to the left of    8
2     0   to the left of    2
3     1   to the left of   19
4     1   to the left of   15
..  ...              ...  ...
89   19   to the left of    4
90   19   to the left of   18
91   19               on   10
92   20  to the right of    1
93   20   to the left of   19

[94 rows x 3 columns]