Is the toilet to the left or to the right of the dispenser that is in the center?
The toilet is to the left of the dispenser.
     src       edge_attr  dst
0      0  to the left of   11
1      0  to the left of   12
2      0  to the left of   14
3      0  to the left of   10
4      0  to the left of   13
..   ...             ...  ...
123   22  to the left of   13
124   22  to the left of   10
125   22  to the left of   11
126   22  to the left of   15
127   22  to the left of   12

[128 rows x 3 columns]