What is in front of the window?
The curtains are in front of the window.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    4
2     0   to the left of    3
3     1  to the right of    2
4     1  to the right of    4
..  ...              ...  ...
82   18  to the right of    9
83   19  to the right of    4
84   19  to the right of    5
85   19  to the right of    2
86   19               on   14

[87 rows x 3 columns]