The telephone is on what?
The telephone is on the nightstand.
    src        edge_attr  dst
0     0   to the left of   14
1     0  to the right of   16
2     0               on   10
3     0  to the right of    9
4     0   to the left of    2
..  ...              ...  ...
85   18  to the right of    7
86   18   to the left of    3
87   18   to the left of    2
88   18  to the right of   17
89   18   to the left of    5

[90 rows x 3 columns]