Is there broccoli to the right of the tomatoes the cheese is to the left of?
No, there is spinach to the right of the tomatoes.
    src        edge_attr  dst
0     0   to the left of   16
1     0               on    6
2     1               on    6
3     1   to the left of   10
4     1  to the right of   14
..  ...              ...  ...
56   17               on    6
57   17  to the right of    9
58   17  to the right of   18
59   18               on    6
60   18   to the left of   17

[61 rows x 3 columns]