Is the leather couch to the left or to the right of the rug?
The couch is to the left of the rug.
     src        edge_attr  dst
0      0   to the left of   21
1      0  to the right of   11
2      0  to the right of    8
3      0  to the right of    7
4      2  to the right of   14
..   ...              ...  ...
98    21  to the right of    8
99    21  to the right of   11
100   22  to the right of    7
101   22  to the right of    8
102   22  to the right of   11

[103 rows x 3 columns]