Which kind of furniture is the window behind of?
The window is behind the sofa.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of   18
2     0  to the right of   11
3     0  to the right of   12
4     2  to the right of   12
..  ...              ...  ...
93   18  to the right of   15
94   18           behind   14
95   18  to the right of    0
96   18  to the right of   11
97   18  to the right of   12

[98 rows x 3 columns]