What kind of furniture is the sofa behind of?
The sofa is behind the ottoman.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of   17
2      1  to the right of   18
3      1  to the right of   13
4      1   to the left of   21
..   ...              ...  ...
155   28  to the right of    7
156   28  to the right of    9
157   29  to the right of    6
158   29  to the right of   23
159   29  to the right of   28

[160 rows x 3 columns]