What kind of food is sliced, the pizza or the tomato?
The tomato is sliced.
    src        edge_attr  dst
0     0               on   29
1     0   to the left of   12
2     0   to the left of   27
3     1  to the right of    8
4     2  to the right of   21
..  ...              ...  ...
84   28   to the left of   18
85   28   to the left of   20
86   28   to the left of   17
87   28   to the left of   22
88   29               in    5

[89 rows x 3 columns]