Is the nightstand to the left of a couch?
No, the nightstand is to the left of the bed.
     src        edge_attr  dst
0      0  to the right of   20
1      0  to the right of   16
2      0   to the left of   12
3      1  to the right of   16
4      1  to the right of    9
..   ...              ...  ...
98    20  to the right of    8
99    20   to the left of   12
100   20  to the right of   17
101   20  to the right of   13
102   20  to the right of   15

[103 rows x 3 columns]