What is in front of the window?
The sink is in front of the window.
    src        edge_attr  dst
0     0   to the left of   12
1     2   to the left of   12
2     2   to the left of    9
3     2   to the left of   16
4     2   to the left of   18
..  ...              ...  ...
57   18   to the left of   13
58   18   to the left of   14
59   18   to the left of   16
60   18   to the left of   12
61   18  to the right of    2

[62 rows x 3 columns]