Which kind of food is in the sandwich?
The food is an egg.
    src        edge_attr  dst
0     0               on   28
1     0  to the right of    5
2     1            below    9
3     1            above   26
4     1   to the left of   27
..  ...              ...  ...
86   29   to the left of   30
87   30   to the left of   11
88   30               on    9
89   30  to the right of   29
90   30   to the left of   24

[91 rows x 3 columns]