What is the food on top of the pizza that is to the right of the pepperoni?
The food is mushrooms.
    src        edge_attr  dst
0     0             with    8
1     0        on top of    5
2     0  to the right of   15
3     0  to the right of    3
4     0  to the right of    4
..  ...              ...  ...
56   15   to the left of    0
57   15   to the left of    9
58   15   to the left of    1
59   15   to the left of    6
60   16   to the left of   13

[61 rows x 3 columns]