Is the lettuce to the right of a sandwich?
No, the lettuce is to the right of the baby.
     src        edge_attr  dst
0      0   to the left of   26
1      0   to the left of   27
2      0   to the left of   25
3      0   to the left of   37
4      0   to the left of   34
..   ...              ...  ...
175   43  to the right of   32
176   45  to the right of   13
177   45   to the left of    4
178   45  to the right of   14
179   45  to the right of   15

[180 rows x 3 columns]