Do you see any refrigerators to the left of the shelves?
No, there is a shelf to the left of the shelves.
     src        edge_attr  dst
0      3   to the left of   18
1      3   to the left of    7
2      3   to the left of   25
3      3   to the left of   20
4      4   to the left of   18
..   ...              ...  ...
123   34  to the right of   32
124   35               of   34
125   35  to the right of   32
126   35  to the right of   33
127   36   to the left of   32

[128 rows x 3 columns]