What kind of food is not bright?
The food is tomatoes.
    src        edge_attr  dst
0     0   to the left of   18
1     0   to the left of    6
2     0   to the left of    7
3     2   to the left of   14
4     2   to the left of    6
..  ...              ...  ...
70   18  to the right of    2
71   18  to the right of   16
72   19  to the right of    6
73   19  to the right of    7
74   19  to the right of   13

[75 rows x 3 columns]