What kind of food is cooking, the mushroom or the pizza?
The pizza is cooking.
     src        edge_attr  dst
0      0   to the left of   16
1      0  to the right of   10
2      0  to the right of    7
3      0   to the left of   15
4      0   to the left of   13
..   ...              ...  ...
144   25   to the left of   18
145   25  to the right of   22
146   26  to the right of    3
147   26               in   14
148   26  to the right of    5

[149 rows x 3 columns]