Which kind of furniture is the window behind of?
The window is behind the couch.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    9
2     0  to the right of    5
3     0  to the right of    4
4     0  to the right of   13
..  ...              ...  ...
76   14           behind    7
77   15  to the right of   12
78   15  to the right of    9
79   15   to the left of    0
80   15  to the right of    4

[81 rows x 3 columns]