What is the food that is covered in flour?
The food is a bread.
   src        edge_attr  dst
0    2  to the right of    8
1    5  to the right of   10
2    7               in    6
3    8   to the left of    2
4   10   to the left of    5
5   12               in    1
6   12               on    3
7   12   to the left of   14
8   12       covered in    0
9   14  to the right of   12