What is the food on top of the pizza?
The food is meat.
     src        edge_attr  dst
0      0        on top of   18
1      0  to the right of   20
2      0  to the right of   23
3      1  to the right of   12
4      1  to the right of    9
..   ...              ...  ...
115   25  to the right of    4
116   25   to the left of   17
117   25   to the left of   16
118   25   to the left of   10
119   25  to the right of   14

[120 rows x 3 columns]