Is there either any salad or lettuce?
Yes, there is salad.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    9
2     1        on top of   16
3     1   to the left of   10
4     2  to the right of    5
..  ...              ...  ...
70   15   to the left of    7
71   15   to the left of    9
72   15               on   16
73   15  to the right of   12
74   15  to the right of   13

[75 rows x 3 columns]