What kind of furniture is to the left of the couch?
The piece of furniture is a shelf.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    1
2     0   to the left of   11
3     1  to the right of    0
4     1   to the left of   13
..  ...              ...  ...
94   23  to the right of   10
95   25   to the left of   21
96   25   to the left of   11
97   25   to the left of    1
98   25               on   12

[99 rows x 3 columns]